{ "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-2026-27835", "tracking": { "current_release_date": "2026-03-23T03:42:34.203933Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-27835", "initial_release_date": "2026-02-26T22:28:13.086840Z", "revision_history": [ { "date": "2026-02-26T22:28:13.086840Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (2).| CWES updated (1)." }, { "date": "2026-02-26T22:28:18.052127Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-02-26T22:39:00.240334Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (1).| References created (2).| CWES updated (1)." }, { "date": "2026-02-26T22:39:02.660895Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-02-26T22:39:40.459948Z", "number": "5", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (2).| CWES updated (1)." }, { "date": "2026-02-26T22:39:42.980581Z", "number": "6", "summary": "NCSC Score updated." }, { "date": "2026-02-27T06:35:44.283691Z", "number": "7", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (15).| Product Identifiers created (14).| References created (1).| CWES updated (1)." }, { "date": "2026-02-27T14:37:07.458085Z", "number": "8", "summary": "Source created.| CVE status created. (valid)| EPSS created." }, { "date": "2026-02-27T14:37:10.385931Z", "number": "9", "summary": "NCSC Score updated." }, { "date": "2026-02-27T22:39:39.887916Z", "number": "10", "summary": "References created (2)." }, { "date": "2026-02-28T06:36:43.417631Z", "number": "11", "summary": "References created (2)." }, { "date": "2026-02-28T13:59:51.730147Z", "number": "12", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (18).| References created (4).| CWES updated (1)." }, { "date": "2026-03-02T16:38:28.876204Z", "number": "13", "summary": "Source connected.| CVE status created. (valid)| Description created for source.| Products created (1)." }, { "date": "2026-03-02T16:38:31.547837Z", "number": "14", "summary": "NCSC Score updated." }, { "date": "2026-03-03T02:38:56.398504Z", "number": "15", "summary": "Unknown change." }, { "date": "2026-03-03T20:25:01.401572Z", "number": "16", "summary": "Products connected (1).| Product Identifiers created (1).| Exploits created (1)." }, { "date": "2026-03-03T20:25:08.927733Z", "number": "17", "summary": "NCSC Score updated." }, { "date": "2026-03-20T09:39:39.280419Z", "number": "18", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-20T09:39:41.456612Z", "number": "19", "summary": "NCSC Score updated." } ], "status": "interim", "version": "19" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<=2.1", "product": { "name": "vers:unknown/<=2.1", "product_id": "CSAFPID-5753709" } } ], "category": "product_name", "name": "wger" } ], "category": "vendor", "name": "unknown" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<=2.4", "product": { "name": "vers:unknown/<=2.4", "product_id": "CSAFPID-5755247", "product_identification_helper": { "cpe": "cpe:2.3:a:wger:wger:*:*:*:*:*:*:*:*" } } } ], "category": "product_name", "name": "wger" } ], "category": "vendor", "name": "wger" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/1.0", "product": { "name": "vers:unknown/1.0", "product_id": "CSAFPID-4235454" } }, { "category": "product_version_range", "name": "vers:unknown/1.0.1", "product": { "name": "vers:unknown/1.0.1", "product_id": "CSAFPID-4235455" } }, { "category": "product_version_range", "name": "vers:unknown/1.0.2", "product": { "name": "vers:unknown/1.0.2", "product_id": "CSAFPID-4235456" } }, { "category": "product_version_range", "name": "vers:unknown/1.0.3", "product": { "name": "vers:unknown/1.0.3", "product_id": "CSAFPID-4235457" } }, { "category": "product_version_range", "name": "vers:unknown/1.1", "product": { "name": "vers:unknown/1.1", "product_id": "CSAFPID-3273248", "product_identification_helper": { "purl": "pkg:pypi/wger@1.1" } } }, { "category": "product_version_range", "name": "vers:unknown/1.1.1", "product": { "name": "vers:unknown/1.1.1", "product_id": "CSAFPID-3273249", "product_identification_helper": { "purl": "pkg:pypi/wger@1.1.1" } } }, { "category": "product_version_range", "name": "vers:unknown/1.2", "product": { "name": "vers:unknown/1.2", "product_id": "CSAFPID-3273250", "product_identification_helper": { "purl": "pkg:pypi/wger@1.2" } } }, { "category": "product_version_range", "name": "vers:unknown/1.2rc1", "product": { "name": "vers:unknown/1.2rc1", "product_id": "CSAFPID-3273251", "product_identification_helper": { "purl": "pkg:pypi/wger@1.2rc1" } } }, { "category": "product_version_range", "name": "vers:unknown/1.3", "product": { "name": "vers:unknown/1.3", "product_id": "CSAFPID-3273252", "product_identification_helper": { "purl": "pkg:pypi/wger@1.3" } } }, { "category": "product_version_range", "name": "vers:unknown/1.4", "product": { "name": "vers:unknown/1.4", "product_id": "CSAFPID-3273253", "product_identification_helper": { "purl": "pkg:pypi/wger@1.4" } } }, { "category": "product_version_range", "name": "vers:unknown/1.5", "product": { "name": "vers:unknown/1.5", "product_id": "CSAFPID-3273254", "product_identification_helper": { "purl": "pkg:pypi/wger@1.5" } } }, { "category": "product_version_range", "name": "vers:unknown/1.6", "product": { "name": "vers:unknown/1.6", "product_id": "CSAFPID-3273255", "product_identification_helper": { "purl": "pkg:pypi/wger@1.6" } } }, { "category": "product_version_range", "name": "vers:unknown/1.6.1", "product": { "name": "vers:unknown/1.6.1", "product_id": "CSAFPID-3273256", "product_identification_helper": { "purl": "pkg:pypi/wger@1.6.1" } } }, { "category": "product_version_range", "name": "vers:unknown/1.7", "product": { "name": "vers:unknown/1.7", "product_id": "CSAFPID-3273257", "product_identification_helper": { "purl": "pkg:pypi/wger@1.7" } } }, { "category": "product_version_range", "name": "vers:unknown/1.8", "product": { "name": "vers:unknown/1.8", "product_id": "CSAFPID-3273258", "product_identification_helper": { "purl": "pkg:pypi/wger@1.8" } } }, { "category": "product_version_range", "name": "vers:unknown/1.9", "product": { "name": "vers:unknown/1.9", "product_id": "CSAFPID-3273259", "product_identification_helper": { "purl": "pkg:pypi/wger@1.9" } } }, { "category": "product_version_range", "name": "vers:unknown/2.0", "product": { "name": "vers:unknown/2.0", "product_id": "CSAFPID-3273260", "product_identification_helper": { "purl": "pkg:pypi/wger@2.0" } } }, { "category": "product_version_range", "name": "vers:unknown/2.1", "product": { "name": "vers:unknown/2.1", "product_id": "CSAFPID-3273261", "product_identification_helper": { "purl": "pkg:pypi/wger@2.1" } } }, { "category": "product_version_range", "name": "vers:unknown/2.2", "product": { "name": "vers:unknown/2.2", "product_id": "CSAFPID-5734576" } }, { "category": "product_version_range", "name": "vers:unknown/2.3", "product": { "name": "vers:unknown/2.3", "product_id": "CSAFPID-5734577" } }, { "category": "product_version_range", "name": "vers:unknown/2.4", "product": { "name": "vers:unknown/2.4", "product_id": "CSAFPID-5734578" } }, { "category": "product_version_range", "name": "vers:unknown/<=2.4", "product": { "name": "vers:unknown/<=2.4", "product_id": "CSAFPID-5733128" } }, { "category": "product_version_range", "name": "vers:unknown/>=0|<=2.1", "product": { "name": "vers:unknown/>=0|<=2.1", "product_id": "CSAFPID-5733683" } } ], "category": "product_name", "name": "wger" } ], "category": "vendor", "name": "wger-project" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-27835", "cwe": { "id": "CWE-639", "name": "Authorization Bypass Through User-Controlled Key" }, "notes": [ { "category": "description", "text": "wger is a free, open-source workout and fitness manager. In versions up to and including 2.4, `RepetitionsConfigViewSet` and `MaxRepetitionsConfigViewSet` return all users' repetition config data because their `get_queryset()` calls `.all()` instead of filtering by the authenticated user. Any registered user can enumerate every other user's workout structure. Commit 1fda5690b35706bb137850c8a084ec6a13317b64 contains a fix for the issue.", "title": "nvd - https://nvd.nist.gov/vuln/detail/CVE-2026-27835" }, { "category": "description", "text": "wger is a free, open-source workout and fitness manager. In versions up to and including 2.4, `RepetitionsConfigViewSet` and `MaxRepetitionsConfigViewSet` return all users' repetition config data because their `get_queryset()` calls `.all()` instead of filtering by the authenticated user. Any registered user can enumerate every other user's workout structure. Commit 1fda5690b35706bb137850c8a084ec6a13317b64 contains a fix for the issue.", "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2026-27835" }, { "category": "description", "text": "### Summary\n\n`RepetitionsConfigViewSet` and `MaxRepetitionsConfigViewSet` return all users' repetition config data because their `get_queryset()` calls `.all()` instead of filtering by the authenticated user. Any registered user can enumerate every other user's workout structure.\n\n### Details\n\n`wger/manager/api/views.py:499` and `:518`:\n\n```python\n# VULNERABLE\nclass RepetitionsConfigViewSet(viewsets.ModelViewSet):\n def get_queryset(self):\n return RepetitionsConfig.objects.all()\n\nclass MaxRepetitionsConfigViewSet(viewsets.ModelViewSet):\n def get_queryset(self):\n return MaxRepetitionsConfig.objects.all()\n```\n\nEvery sibling viewset in the same file correctly filters by user. For example, `WeightConfigViewSet` at line 459:\n\n```python\n# CORRECT — how it should work\ndef get_queryset(self):\n return WeightConfig.objects.filter(\n slot_entry__slot__day__routine__user=self.request.user\n )\n```\n\nThe same user filter is present on `SetsConfig`, `RestConfig`, `RiRConfig`, and their Max variants — only `RepetitionsConfig` and `MaxRepetitionsConfig` are missing it.\n\n### PoC\n\n```python\nimport requests\n\nBASE = \"http://localhost\"\nheaders = {\"Authorization\": \"Token YOUR_TOKEN\"} # any registered user\n\nr = requests.get(f\"{BASE}/api/v2/repetitions-config/\", headers=headers)\nprint(r.json()) # returns ALL users' repetition configs, not just your own\n\nr = requests.get(f\"{BASE}/api/v2/max-repetitions-config/\", headers=headers)\nprint(r.json()) # same — all users' max repetition configs\n```\n\nRegistration is open by default. Sequential IDs allow full enumeration.\n\n### Impact\n\nAny authenticated user can read other users' repetition and max-repetitions configs, exposing workout structure (slot entry IDs, iteration values, operations, step counts, repeat flags, requirements JSON). This is a broken object-level authorization (BOLA/IDOR) vulnerability — the same class of issue as OWASP API1.\n\n**Fix**: Add the same user filter used by every other config viewset:\n```python\ndef get_queryset(self):\n return RepetitionsConfig.objects.filter(\n slot_entry__slot__day__routine__user=self.request.user\n )\n```", "title": "github - https://github.com/advisories/GHSA-xf68-8hjw-7mpm" }, { "category": "description", "text": "### Summary\n\n`RepetitionsConfigViewSet` and `MaxRepetitionsConfigViewSet` return all users' repetition config data because their `get_queryset()` calls `.all()` instead of filtering by the authenticated user. Any registered user can enumerate every other user's workout structure.\n\n### Details\n\n`wger/manager/api/views.py:499` and `:518`:\n\n```python\n# VULNERABLE\nclass RepetitionsConfigViewSet(viewsets.ModelViewSet):\n def get_queryset(self):\n return RepetitionsConfig.objects.all()\n\nclass MaxRepetitionsConfigViewSet(viewsets.ModelViewSet):\n def get_queryset(self):\n return MaxRepetitionsConfig.objects.all()\n```\n\nEvery sibling viewset in the same file correctly filters by user. For example, `WeightConfigViewSet` at line 459:\n\n```python\n# CORRECT — how it should work\ndef get_queryset(self):\n return WeightConfig.objects.filter(\n slot_entry__slot__day__routine__user=self.request.user\n )\n```\n\nThe same user filter is present on `SetsConfig`, `RestConfig`, `RiRConfig`, and their Max variants — only `RepetitionsConfig` and `MaxRepetitionsConfig` are missing it.\n\n### PoC\n\n```python\nimport requests\n\nBASE = \"http://localhost\"\nheaders = {\"Authorization\": \"Token YOUR_TOKEN\"} # any registered user\n\nr = requests.get(f\"{BASE}/api/v2/repetitions-config/\", headers=headers)\nprint(r.json()) # returns ALL users' repetition configs, not just your own\n\nr = requests.get(f\"{BASE}/api/v2/max-repetitions-config/\", headers=headers)\nprint(r.json()) # same — all users' max repetition configs\n```\n\nRegistration is open by default. Sequential IDs allow full enumeration.\n\n### Impact\n\nAny authenticated user can read other users' repetition and max-repetitions configs, exposing workout structure (slot entry IDs, iteration values, operations, step counts, repeat flags, requirements JSON). This is a broken object-level authorization (BOLA/IDOR) vulnerability — the same class of issue as OWASP API1.\n\n**Fix**: Add the same user filter used by every other config viewset:\n```python\ndef get_queryset(self):\n return RepetitionsConfig.objects.filter(\n slot_entry__slot__day__routine__user=self.request.user\n )\n```", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/PyPI%2FGHSA-xf68-8hjw-7mpm.json?alt=media" }, { "category": "description", "text": "wger is a free, open-source workout and fitness manager. In versions up to and including 2.4, `RepetitionsConfigViewSet` and `MaxRepetitionsConfigViewSet` return all users' repetition config data because their `get_queryset()` calls `.all()` instead of filtering by the authenticated user. Any registered user can enumerate every other user's workout structure. Commit 1fda5690b35706bb137850c8a084ec6a13317b64 contains a fix for the issue.", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/GIT%2FCVE-2026-27835.json?alt=media" }, { "category": "description", "text": "Affected versions of the wger package are vulnerable to Information Disclosure due to missing object-level access control in API query filtering. The RepetitionsConfigViewSet.get_queryset() and MaxRepetitionsConfigViewSet.get_queryset() methods in wger/manager/api/views.py return RepetitionsConfig.objects.all() and MaxRepetitionsConfig.objects.all() instead of filtering records to self.request.user, causing the /api/v2/repetitions-config/ and /api/v2/max-repetitions-config/ endpoints to expose other users’ data.", "title": "pyupio - https://pyupio.github.io/safety-db/#wger" }, { "category": "other", "text": "0.0003", "title": "EPSS" }, { "category": "other", "text": "3.4", "title": "NCSC Score" }, { "category": "other", "text": "The value of the most recent CVSS (V3) score, Is related to a product by vendor Unknown, There is exploit data available from source Nvd", "title": "NCSC Score top decreasing factors" } ], "product_status": { "known_affected": [ "CSAFPID-5733128", "CSAFPID-3273248", "CSAFPID-3273249", "CSAFPID-3273250", "CSAFPID-3273251", "CSAFPID-3273252", "CSAFPID-3273253", "CSAFPID-3273254", "CSAFPID-3273255", "CSAFPID-3273256", "CSAFPID-3273257", "CSAFPID-3273258", "CSAFPID-3273259", "CSAFPID-3273260", "CSAFPID-3273261", "CSAFPID-5733683", "CSAFPID-4235454", "CSAFPID-4235455", "CSAFPID-4235456", "CSAFPID-4235457", "CSAFPID-5734576", "CSAFPID-5734577", "CSAFPID-5734578", "CSAFPID-5753709", "CSAFPID-5755247" ] }, "references": [ { "category": "external", "summary": "Source - nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-27835" }, { "category": "external", "summary": "Source raw - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-27835" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://www.cve.org/CVERecord?id=CVE-2026-27835" }, { "category": "external", "summary": "Source raw - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/27xxx/CVE-2026-27835.json" }, { "category": "external", "summary": "Source - github", "url": "https://github.com/advisories/GHSA-xf68-8hjw-7mpm" }, { "category": "external", "summary": "Source raw - github", "url": "https://api.github.com/advisories/GHSA-xf68-8hjw-7mpm" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/PyPI%2FGHSA-xf68-8hjw-7mpm.json?alt=media" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-27835" }, { "category": "external", "summary": "Source raw - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/GIT%2FCVE-2026-27835.json?alt=media" }, { "category": "external", "summary": "Source - pyupio", "url": "https://pyupio.github.io/safety-db/#wger" }, { "category": "external", "summary": "Source raw - pyupio", "url": "https://raw.githubusercontent.com/pyupio/safety-db/refs/heads/master/data/insecure_full.json" }, { "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/wger-project/wger/commit/1fda5690b35706bb137850c8a084ec6a13317b64" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd; osv", "url": "https://github.com/wger-project/wger/security/advisories/GHSA-xf68-8hjw-7mpm" }, { "category": "external", "summary": "Reference - github", "url": "https://github.com/advisories/GHSA-xf68-8hjw-7mpm" }, { "category": "external", "summary": "Reference - github; osv", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-27835" }, { "category": "external", "summary": "Reference - osv", "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27835.json" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "baseScore": 4.3, "baseSeverity": "MEDIUM" }, "products": [ "CSAFPID-3273248", "CSAFPID-3273249", "CSAFPID-3273250", "CSAFPID-3273251", "CSAFPID-3273252", "CSAFPID-3273253", "CSAFPID-3273254", "CSAFPID-3273255", "CSAFPID-3273256", "CSAFPID-3273257", "CSAFPID-3273258", "CSAFPID-3273259", "CSAFPID-3273260", "CSAFPID-3273261", "CSAFPID-4235454", "CSAFPID-4235455", "CSAFPID-4235456", "CSAFPID-4235457", "CSAFPID-5733128", "CSAFPID-5733683", "CSAFPID-5734576", "CSAFPID-5734577", "CSAFPID-5734578", "CSAFPID-5753709", "CSAFPID-5755247" ] } ], "title": "CVE-2026-27835" } ] }