{ "document": { "category": "csaf_base", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this portal to enhance access to its information and vulnerabilities. The use of this information is subject to the following terms and conditions:\n\nThe vulnerabilities disclosed in this portal are gathered by NCSC-NL from a variety of open sources, which the user can retrieve from other platforms. NCSC-NL makes every reasonable effort to ensure that the content of this portal is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or real-time keeping up-to-date. NCSC-NL does not control nor guarantee the accuracy, relevance, timeliness or completeness of information obtained from these external sources. The vulnerabilities disclosed in this portal are intended solely for the convenience of professional parties to take appropriate measures to manage the risks posed to the cybersecurity. No rights can be derived from the information provided therein.\n\nNCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of the vulnerabilities disclosed in this portal. This includes damage resulting from the inaccuracy of incompleteness of the information contained in it.\nThe information on this page is subject to Dutch law. All disputes related to or arising from the use of this portal regarding the disclosure of vulnerabilities will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings." } ], "publisher": { "category": "coordinator", "contact_details": "cert@ncsc.nl", "name": "National Cyber Security Centre", "namespace": "https://www.ncsc.nl/" }, "title": "CVE-2026-26309", "tracking": { "current_release_date": "2026-03-27T09:06:33.462676Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-26309", "initial_release_date": "2026-03-10T19:19:10.390630Z", "revision_history": [ { "date": "2026-03-10T19:19:10.390630Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (2).| CWES updated (1)." }, { "date": "2026-03-10T19:19:14.971807Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-03-10T19:38:53.323439Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (4).| References created (1).| CWES updated (1)." }, { "date": "2026-03-10T19:38:57.903071Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-03-10T21:27:54.170504Z", "number": "5", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (1).| CWES updated (1)." }, { "date": "2026-03-10T21:27:56.587796Z", "number": "6", "summary": "NCSC Score updated." }, { "date": "2026-03-10T21:39:05.420750Z", "number": "7", "summary": "Unknown change." }, { "date": "2026-03-11T00:04:10.820726Z", "number": "8", "summary": "References created (1)." }, { "date": "2026-03-11T00:14:14.590095Z", "number": "9", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (4).| Product Identifiers created (1).| References created (1).| CWES updated (1)." }, { "date": "2026-03-11T15:00:51.644823Z", "number": "10", "summary": "Source created.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-11T15:00:53.745393Z", "number": "11", "summary": "NCSC Score updated." }, { "date": "2026-03-11T16:26:43.148942Z", "number": "12", "summary": "Products connected (4).| Product Identifiers created (4).| Exploits created (1)." }, { "date": "2026-03-11T16:26:48.221219Z", "number": "13", "summary": "NCSC Score updated." }, { "date": "2026-03-12T12:16:22.167278Z", "number": "14", "summary": "Source connected.| CVE status created. (valid)| Products connected (5).| References created (4)." }, { "date": "2026-03-12T12:16:24.003489Z", "number": "15", "summary": "NCSC Score updated." }, { "date": "2026-03-12T15:04:12.939004Z", "number": "16", "summary": "EPSS updated." }, { "date": "2026-03-12T15:04:14.535164Z", "number": "17", "summary": "NCSC Score updated." }, { "date": "2026-03-19T15:29:52.864482Z", "number": "18", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (3).| CWES updated (1)." }, { "date": "2026-03-19T15:29:55.633493Z", "number": "19", "summary": "NCSC Score updated." }, { "date": "2026-03-20T09:44:05.440164Z", "number": "20", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-27T09:06:32.443057Z", "number": "21", "summary": "Products connected (1).| References created (3)." } ], "status": "interim", "version": "21" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/envoy proxy", "product": { "name": "vers:unknown/envoy proxy", "product_id": "CSAFPID-5810304", "product_identification_helper": { "cpe": "cpe:/a:google:cloud_platform:envoy_proxy" } } }, { "category": "product_version_range", "name": "vers:unknown/istio", "product": { "name": "vers:unknown/istio", "product_id": "CSAFPID-5810308", "product_identification_helper": { "cpe": "cpe:/a:google:cloud_platform:istio" } } }, { "category": "product_version_range", "name": "vers:unknown/service mesh <1.26.8-asm.3", "product": { "name": "vers:unknown/service mesh <1.26.8-asm.3", "product_id": "CSAFPID-5810305" } }, { "category": "product_version_range", "name": "vers:unknown/service mesh <1.27.8-asm.7", "product": { "name": "vers:unknown/service mesh <1.27.8-asm.7", "product_id": "CSAFPID-5810307" } }, { "category": "product_version_range", "name": "vers:unknown/service mesh <1.28.5-asm.9", "product": { "name": "vers:unknown/service mesh <1.28.5-asm.9", "product_id": "CSAFPID-5810306" } } ], "category": "product_name", "name": "Cloud Platform" } ], "category": "vendor", "name": "Google" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/1.37.0", "product": { "name": "vers:unknown/1.37.0", "product_id": "CSAFPID-5780406", "product_identification_helper": { "cpe": "cpe:2.3:a:envoyproxy:envoy:1.37.0:*:*:*:*:*:*:*", "purl": "pkg:golang/github.com/envoyproxy/envoy@1.37.0" } } }, { "category": "product_version_range", "name": "vers:unknown/<1.34.13", "product": { "name": "vers:unknown/<1.34.13", "product_id": "CSAFPID-5777010", "product_identification_helper": { "cpe": "cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/>=0|<=1.34.12", "product": { "name": "vers:unknown/>=0|<=1.34.12", "product_id": "CSAFPID-5780409" } }, { "category": "product_version_range", "name": "vers:unknown/>=1.35.0|<1.35.8", "product": { "name": "vers:unknown/>=1.35.0|<1.35.8", "product_id": "CSAFPID-5795752", "product_identification_helper": { "cpe": "cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/>=1.35.0|<1.35.9", "product": { "name": "vers:unknown/>=1.35.0|<1.35.9", "product_id": "CSAFPID-5777009" } }, { "category": "product_version_range", "name": "vers:unknown/>=1.35.0|<=1.35.8", "product": { "name": "vers:unknown/>=1.35.0|<=1.35.8", "product_id": "CSAFPID-5780408" } }, { "category": "product_version_range", "name": "vers:unknown/>=1.36.0|<1.36.5", "product": { "name": "vers:unknown/>=1.36.0|<1.36.5", "product_id": "CSAFPID-5777008", "product_identification_helper": { "cpe": "cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/>=1.36.0|<=1.36.4", "product": { "name": "vers:unknown/>=1.36.0|<=1.36.4", "product_id": "CSAFPID-5780407" } }, { "category": "product_version_range", "name": "vers:unknown/>=1.37.0|<1.37.1", "product": { "name": "vers:unknown/>=1.37.0|<1.37.1", "product_id": "CSAFPID-5777007" } } ], "category": "product_name", "name": "Envoy" } ], "category": "vendor", "name": "Envoy Proxy" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/unknown", "product": { "name": "vers:unknown/unknown", "product_id": "CSAFPID-1317175", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:5::server" } } } ], "category": "product_name", "name": "Red Hat Enterprise Linux" } ], "category": "vendor", "name": "Red Hat" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-26309", "cwe": { "id": "CWE-193", "name": "Off-by-one Error" }, "notes": [ { "category": "description", "text": "### Summary\n\n An off-by-one write in Envoy::JsonEscaper::escapeString() can corrupt\n std::string null-termination, causing undefined behavior and potentially\n leading to crashes or out-of-bounds reads when the resulting string is later\n treated as a C-string.\n\n ### Details\n\n The bug is in the control-character escaping path in source/common/common/\n json_escape_string.h:67.\n\n - The function pre-sizes result to the final length: std::string\n result(input.size() + required_size, '\\\\');\n - For control characters (0x00..0x1f), it emits a JSON escape sequence of\n length 6: \\u00XX.\n - It uses sprintf(&result[position + 1], \"u%04x\", ...), which writes 5 chars +\n a trailing NUL (\\0) starting at result[position + 1].\n - Then it does position += 6; and writes result[position] = '\\\\'; to overwrite\n the NUL.\n - If the control character occurs at the end of the output (e.g., the input\n ends with \\x01), then after position += 6, position == result.size(), so\n result[position] is one past the end (off-by-one), violating std::string\n bounds/contract.\n\n Concretely, the problematic lines are:\n\n - source/common/common/json_escape_string.h:69 (sprintf(...))\n - source/common/common/json_escape_string.h:72 (result[position] = '\\\\';)\n\n Potentially reachable from request-driven paths that escape untrusted data,\n e.g. invalid header reporting:\n\n - source/common/http/header_utility.cc:538 ~ source/common/http/\n header_utility.cc:546 (escapes invalid header key for error text)\n\n Even when this doesn’t immediately crash, it can break the std::string\n requirement that c_str()[size()] == '\\0', which can later trigger UB (e.g., if\n passed to strlen, printf(\"%s\"), or any C API that expects NUL termination).\n \n \n ```cpp\n//clang++ -std=c++20 -O0 -g -fsanitize=address -fno-omit-frame-pointer\n repro_json_escape_asan.cc -o repro_json_escape_asan\n ASAN_OPTIONS=abort_on_error=1 ./repro_json_escape_asan\n#include \n #include \n #include \n #include \n #include \n\n static uint64_t extraSpace(std::string_view input) {\n uint64_t result = 0;\n for (unsigned char c : input) {\n switch (c) {\n case '\\\"':\n case '\\\\':\n case '\\b':\n case '\\f':\n case '\\n':\n case '\\r':\n case '\\t':\n result += 1;\n break;\n default:\n if (c == 0x00 || (c > 0x00 && c <= 0x1f)) {\n result += 5;\n }\n break;\n }\n }\n return result;\n }\n\n static std::string escapeString(std::string_view input, uint64_t\n required_size) {\n std::string result(input.size() + required_size, '\\\\');\n uint64_t position = 0;\n\n for (unsigned char character : input) {\n switch (character) {\n case '\\\"':\n result[position + 1] = '\\\"';\n position += 2;\n break;\n case '\\\\':\n position += 2;\n break;\n case '\\b':\n result[position + 1] = 'b';\n position += 2;\n break;\n case '\\f':\n result[position + 1] = 'f';\n position += 2;\n break;\n case '\\n':\n result[position + 1] = 'n';\n position += 2;\n break;\n case '\\r':\n result[position + 1] = 'r';\n position += 2;\n break;\n case '\\t':\n result[position + 1] = 't';\n position += 2;\n break;\n default:\n if (character == 0x00 || (character > 0x00 && character <= 0x1f)) {\n std::sprintf(&result[position + 1], \"u%04x\",\n static_cast(character));\n position += 6;\n // Off-by-one when this escape is the last output chunk:\n // position can become result.size(), so result[position] is out of\n bounds.\n result[position] = '\\\\';\n } else {\n result[position++] = static_cast(character);\n }\n break;\n }\n }\n\n return result;\n }\n\n int main() {\n std::string input(4096, 'A');\n input.push_back('\\x01'); // ends with a control char -> triggers the buggy\n path at the end\n\n const uint64_t required = extraSpace(input);\n std::string escaped = escapeString(input, required);\n\n std::printf(\"escaped.size=%zu\\n\", escaped.size());\n unsigned char terminator = static_cast(escaped.c_str()\n [escaped.size()]);\n std::printf(\"escaped.c_str()[escaped.size()] = 0x%02x\\n\", terminator);\n\n // If NUL termination is corrupted, this can read past the logical end.\n std::printf(\"strlen(escaped.c_str()) = %zu\\n\",\n std::strlen(escaped.c_str()));\n return 0;\n }```", "title": "github - https://github.com/advisories/GHSA-56cj-wgg3-x943" }, { "category": "description", "text": "Envoy is a high-performance edge/middle/service proxy. Prior to 1.37.1, 1.36.5, 1.35.8, and 1.34.13, an off-by-one write in Envoy::JsonEscaper::escapeString() can corrupt std::string null-termination, causing undefined behavior and potentially leading to crashes or out-of-bounds reads when the resulting string is later treated as a C-string. This vulnerability is fixed in 1.37.1, 1.36.5, 1.35.8, and 1.34.13.", "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2026-26309" }, { "category": "description", "text": "Envoy is a high-performance edge/middle/service proxy. Prior to 1.37.1, 1.36.5, 1.35.8, and 1.34.13, an off-by-one write in Envoy::JsonEscaper::escapeString() can corrupt std::string null-termination, causing undefined behavior and potentially leading to crashes or out-of-bounds reads when the resulting string is later treated as a C-string. This vulnerability is fixed in 1.37.1, 1.36.5, 1.35.8, and 1.34.13.", "title": "nvd - https://nvd.nist.gov/vuln/detail/CVE-2026-26309" }, { "category": "description", "text": "### Summary\n\n An off-by-one write in Envoy::JsonEscaper::escapeString() can corrupt\n std::string null-termination, causing undefined behavior and potentially\n leading to crashes or out-of-bounds reads when the resulting string is later\n treated as a C-string.\n\n ### Details\n\n The bug is in the control-character escaping path in source/common/common/\n json_escape_string.h:67.\n\n - The function pre-sizes result to the final length: std::string\n result(input.size() + required_size, '\\\\');\n - For control characters (0x00..0x1f), it emits a JSON escape sequence of\n length 6: \\u00XX.\n - It uses sprintf(&result[position + 1], \"u%04x\", ...), which writes 5 chars +\n a trailing NUL (\\0) starting at result[position + 1].\n - Then it does position += 6; and writes result[position] = '\\\\'; to overwrite\n the NUL.\n - If the control character occurs at the end of the output (e.g., the input\n ends with \\x01), then after position += 6, position == result.size(), so\n result[position] is one past the end (off-by-one), violating std::string\n bounds/contract.\n\n Concretely, the problematic lines are:\n\n - source/common/common/json_escape_string.h:69 (sprintf(...))\n - source/common/common/json_escape_string.h:72 (result[position] = '\\\\';)\n\n Potentially reachable from request-driven paths that escape untrusted data,\n e.g. invalid header reporting:\n\n - source/common/http/header_utility.cc:538 ~ source/common/http/\n header_utility.cc:546 (escapes invalid header key for error text)\n\n Even when this doesn’t immediately crash, it can break the std::string\n requirement that c_str()[size()] == '\\0', which can later trigger UB (e.g., if\n passed to strlen, printf(\"%s\"), or any C API that expects NUL termination).\n \n \n ```cpp\n//clang++ -std=c++20 -O0 -g -fsanitize=address -fno-omit-frame-pointer\n repro_json_escape_asan.cc -o repro_json_escape_asan\n ASAN_OPTIONS=abort_on_error=1 ./repro_json_escape_asan\n#include \n #include \n #include \n #include \n #include \n\n static uint64_t extraSpace(std::string_view input) {\n uint64_t result = 0;\n for (unsigned char c : input) {\n switch (c) {\n case '\\\"':\n case '\\\\':\n case '\\b':\n case '\\f':\n case '\\n':\n case '\\r':\n case '\\t':\n result += 1;\n break;\n default:\n if (c == 0x00 || (c > 0x00 && c <= 0x1f)) {\n result += 5;\n }\n break;\n }\n }\n return result;\n }\n\n static std::string escapeString(std::string_view input, uint64_t\n required_size) {\n std::string result(input.size() + required_size, '\\\\');\n uint64_t position = 0;\n\n for (unsigned char character : input) {\n switch (character) {\n case '\\\"':\n result[position + 1] = '\\\"';\n position += 2;\n break;\n case '\\\\':\n position += 2;\n break;\n case '\\b':\n result[position + 1] = 'b';\n position += 2;\n break;\n case '\\f':\n result[position + 1] = 'f';\n position += 2;\n break;\n case '\\n':\n result[position + 1] = 'n';\n position += 2;\n break;\n case '\\r':\n result[position + 1] = 'r';\n position += 2;\n break;\n case '\\t':\n result[position + 1] = 't';\n position += 2;\n break;\n default:\n if (character == 0x00 || (character > 0x00 && character <= 0x1f)) {\n std::sprintf(&result[position + 1], \"u%04x\",\n static_cast(character));\n position += 6;\n // Off-by-one when this escape is the last output chunk:\n // position can become result.size(), so result[position] is out of\n bounds.\n result[position] = '\\\\';\n } else {\n result[position++] = static_cast(character);\n }\n break;\n }\n }\n\n return result;\n }\n\n int main() {\n std::string input(4096, 'A');\n input.push_back('\\x01'); // ends with a control char -> triggers the buggy\n path at the end\n\n const uint64_t required = extraSpace(input);\n std::string escaped = escapeString(input, required);\n\n std::printf(\"escaped.size=%zu\\n\", escaped.size());\n unsigned char terminator = static_cast(escaped.c_str()\n [escaped.size()]);\n std::printf(\"escaped.c_str()[escaped.size()] = 0x%02x\\n\", terminator);\n\n // If NUL termination is corrupted, this can read past the logical end.\n std::printf(\"strlen(escaped.c_str()) = %zu\\n\",\n std::strlen(escaped.c_str()));\n return 0;\n }```", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/Go%2FGHSA-56cj-wgg3-x943.json?alt=media" }, { "category": "description", "text": "### Summary\n\n An off-by-one write in Envoy::JsonEscaper::escapeString() can corrupt\n std::string null-termination, causing undefined behavior and potentially\n leading to crashes or out-of-bounds reads when the resulting string is later\n treated as a C-string.\n\n ### Details\n\n The bug is in the control-character escaping path in source/common/common/\n json_escape_string.h:67.\n\n - The function pre-sizes result to the final length: std::string\n result(input.size() + required_size, '\\\\');\n - For control characters (0x00..0x1f), it emits a JSON escape sequence of\n length 6: \\u00XX.\n - It uses sprintf(&result[position + 1], \"u%04x\", ...), which writes 5 chars +\n a trailing NUL (\\0) starting at result[position + 1].\n - Then it does position += 6; and writes result[position] = '\\\\'; to overwrite\n the NUL.\n - If the control character occurs at the end of the output (e.g., the input\n ends with \\x01), then after position += 6, position == result.size(), so\n result[position] is one past the end (off-by-one), violating std::string\n bounds/contract.\n\n Concretely, the problematic lines are:\n\n - source/common/common/json_escape_string.h:69 (sprintf(...))\n - source/common/common/json_escape_string.h:72 (result[position] = '\\\\';)\n\n Potentially reachable from request-driven paths that escape untrusted data,\n e.g. invalid header reporting:\n\n - source/common/http/header_utility.cc:538 ~ source/common/http/\n header_utility.cc:546 (escapes invalid header key for error text)\n\n Even when this doesn’t immediately crash, it can break the std::string\n requirement that c_str()[size()] == '\\0', which can later trigger UB (e.g., if\n passed to strlen, printf(\"%s\"), or any C API that expects NUL termination).\n \n \n ```cpp\n//clang++ -std=c++20 -O0 -g -fsanitize=address -fno-omit-frame-pointer\n repro_json_escape_asan.cc -o repro_json_escape_asan\n ASAN_OPTIONS=abort_on_error=1 ./repro_json_escape_asan\n#include \n #include \n #include \n #include \n #include \n\n static uint64_t extraSpace(std::string_view input) {\n uint64_t result = 0;\n for (unsigned char c : input) {\n switch (c) {\n case '\\\"':\n case '\\\\':\n case '\\b':\n case '\\f':\n case '\\n':\n case '\\r':\n case '\\t':\n result += 1;\n break;\n default:\n if (c == 0x00 || (c > 0x00 && c <= 0x1f)) {\n result += 5;\n }\n break;\n }\n }\n return result;\n }\n\n static std::string escapeString(std::string_view input, uint64_t\n required_size) {\n std::string result(input.size() + required_size, '\\\\');\n uint64_t position = 0;\n\n for (unsigned char character : input) {\n switch (character) {\n case '\\\"':\n result[position + 1] = '\\\"';\n position += 2;\n break;\n case '\\\\':\n position += 2;\n break;\n case '\\b':\n result[position + 1] = 'b';\n position += 2;\n break;\n case '\\f':\n result[position + 1] = 'f';\n position += 2;\n break;\n case '\\n':\n result[position + 1] = 'n';\n position += 2;\n break;\n case '\\r':\n result[position + 1] = 'r';\n position += 2;\n break;\n case '\\t':\n result[position + 1] = 't';\n position += 2;\n break;\n default:\n if (character == 0x00 || (character > 0x00 && character <= 0x1f)) {\n std::sprintf(&result[position + 1], \"u%04x\",\n static_cast(character));\n position += 6;\n // Off-by-one when this escape is the last output chunk:\n // position can become result.size(), so result[position] is out of\n bounds.\n result[position] = '\\\\';\n } else {\n result[position++] = static_cast(character);\n }\n break;\n }\n }\n\n return result;\n }\n\n int main() {\n std::string input(4096, 'A');\n input.push_back('\\x01'); // ends with a control char -> triggers the buggy\n path at the end\n\n const uint64_t required = extraSpace(input);\n std::string escaped = escapeString(input, required);\n\n std::printf(\"escaped.size=%zu\\n\", escaped.size());\n unsigned char terminator = static_cast(escaped.c_str()\n [escaped.size()]);\n std::printf(\"escaped.c_str()[escaped.size()] = 0x%02x\\n\", terminator);\n\n // If NUL termination is corrupted, this can read past the logical end.\n std::printf(\"strlen(escaped.c_str()) = %zu\\n\",\n std::strlen(escaped.c_str()));\n return 0;\n }```", "title": "github - https://api.github.com/advisories/GHSA-56cj-wgg3-x943" }, { "category": "other", "text": "3e-05", "title": "EPSS" }, { "category": "other", "text": "4.6", "title": "NCSC Score" }, { "category": "other", "text": "There is product data available from source Certbundde", "title": "NCSC Score top increasing factors" }, { "category": "other", "text": "There is exploit data available from source Nvd, Is related to (a version of) an uncommon product, There is cvss data available from source Github", "title": "NCSC Score top decreasing factors" } ], "product_status": { "known_affected": [ "CSAFPID-5777007", "CSAFPID-5777008", "CSAFPID-5777009", "CSAFPID-5777010", "CSAFPID-5780406", "CSAFPID-5780407", "CSAFPID-5780408", "CSAFPID-5780409", "CSAFPID-5795752", "CSAFPID-5810304", "CSAFPID-5810305", "CSAFPID-5810306", "CSAFPID-5810307", "CSAFPID-5810308", "CSAFPID-1317175" ] }, "references": [ { "category": "external", "summary": "Source - github", "url": "https://github.com/advisories/GHSA-56cj-wgg3-x943" }, { "category": "external", "summary": "Source raw - github", "url": "https://api.github.com/advisories/GHSA-56cj-wgg3-x943" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://www.cve.org/CVERecord?id=CVE-2026-26309" }, { "category": "external", "summary": "Source raw - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/26xxx/CVE-2026-26309.json" }, { "category": "external", "summary": "Source - nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-26309" }, { "category": "external", "summary": "Source raw - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-26309" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/Go%2FGHSA-56cj-wgg3-x943.json?alt=media" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-26309" }, { "category": "external", "summary": "Source raw - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Source - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0704.json" }, { "category": "external", "summary": "Source - github", "url": "https://api.github.com/advisories/GHSA-56cj-wgg3-x943" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd; osv", "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-56cj-wgg3-x943" }, { "category": "external", "summary": "Reference - github", "url": "https://github.com/advisories/GHSA-56cj-wgg3-x943" }, { "category": "external", "summary": "Reference - github", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-26309" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0704.json" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0704" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://docs.cloud.google.com/support/bulletins#gcp-2026-013" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://docs.cloud.google.com/service-mesh/docs/security-bulletins#gcp-2026-013" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://access.redhat.com/errata/RHSA-2026:5952" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://access.redhat.com/errata/RHSA-2026:5950" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://access.redhat.com/errata/RHSA-2026:5948" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "baseScore": 5.3, "baseSeverity": "MEDIUM" }, "products": [ "CSAFPID-1317175", "CSAFPID-5777007", "CSAFPID-5777008", "CSAFPID-5777009", "CSAFPID-5777010", "CSAFPID-5780406", "CSAFPID-5780407", "CSAFPID-5780408", "CSAFPID-5780409", "CSAFPID-5795752", "CSAFPID-5810304", "CSAFPID-5810305", "CSAFPID-5810306", "CSAFPID-5810307", "CSAFPID-5810308" ] } ], "title": "CVE-2026-26309" } ] }