CVE-2026-43976

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43976", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-04T20:24:31.915Z", "datePublished": "2026-10-07T13:33:11.008Z", "dateUpdated": "2026-10-07T17:26:56.782Z"}, "containers": {"cna": {"title": "wger: cross-tenant admin notes/contracts leak via gym=None bypass (5 views)", "problemTypes": [{"descriptions": [{"cweId": "CWE-863", "lang": "en", "description": "CWE-863: Incorrect Authorization", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/wger-project/wger/security/advisories/GHSA-c72h-82w6-rqfp", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/wger-project/wger/security/advisories/GHSA-c72h-82w6-rqfp"}, {"name": "https://github.com/wger-project/wger/releases/tag/2.6", "tags": ["x_refsource_MISC"], "url": "https://github.com/wger-project/wger/releases/tag/2.6"}], "affected": [{"vendor": "wger-project", "product": "wger", "versions": [{"version": "< 2.6", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-07T13:33:11.008Z"}, "descriptions": [{"lang": "en", "value": "wger is a free, open-source workout and fitness manager. Prior to version 2.6, five gym management views in wger apply a flawed gym-scope guard (`gym_a != gym_b`) that silently passes when both operands are `None`. A trainer with `gym.gym_trainer` and `gym.add_adminusernote` permissions and no gym assignment (`gym=None`) can read private admin notes, uploaded documents, gym contracts, user configuration, and user permission data for **any other unaffiliated user** on the instance. The subsequent querysets filter only on the attacker-supplied `member_id` with no secondary gym-scoped validation, so all records are disclosed. Version 2.6 fixes the issue."}], "source": {"advisory": "GHSA-c72h-82w6-rqfp", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/wger-project/wger/security/advisories/GHSA-c72h-82w6-rqfp", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-07T17:22:26.839960Z", "id": "CVE-2026-43976", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-07T17:26:56.782Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-43976", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-07T17:22:26.839960Z"}}}], "references": [{"url": "https://github.com/wger-project/wger/security/advisories/GHSA-c72h-82w6-rqfp", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-07T17:25:47.054Z"}}], "cna": {"title": "wger: cross-tenant admin notes/contracts leak via gym=None bypass (5 views)", "source": {"advisory": "GHSA-c72h-82w6-rqfp", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "wger-project", "product": "wger", "versions": [{"status": "affected", "version": "< 2.6"}]}], "references": [{"url": "https://github.com/wger-project/wger/security/advisories/GHSA-c72h-82w6-rqfp", "name": "https://github.com/wger-project/wger/security/advisories/GHSA-c72h-82w6-rqfp", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/wger-project/wger/releases/tag/2.6", "name": "https://github.com/wger-project/wger/releases/tag/2.6", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "wger is a free, open-source workout and fitness manager. Prior to version 2.6, five gym management views in wger apply a flawed gym-scope guard (`gym_a != gym_b`) that silently passes when both operands are `None`. A trainer with `gym.gym_trainer` and `gym.add_adminusernote` permissions and no gym assignment (`gym=None`) can read private admin notes, uploaded documents, gym contracts, user configuration, and user permission data for **any other unaffiliated user** on the instance. The subsequent querysets filter only on the attacker-supplied `member_id` with no secondary gym-scoped validation, so all records are disclosed. Version 2.6 fixes the issue."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-863", "description": "CWE-863: Incorrect Authorization"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-07T13:33:11.008Z"}}}, "cveMetadata": {"cveId": "CVE-2026-43976", "state": "PUBLISHED", "dateUpdated": "2026-10-07T17:26:56.782Z", "dateReserved": "2026-05-04T20:24:31.915Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-10-07T13:33:11.008Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "wger", "vendor": "wger-project", "versions": [{"status": "affected", "version": "< 2.6"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "wger is a free, open-source workout and fitness manager. Prior to version 2.6, five gym management views in wger apply a flawed gym-scope guard (`gym_a != gym_b`) that silently passes when both operands are `None`. A trainer with `gym.gym_trainer` and `gym.add_adminusernote` permissions and no gym assignment (`gym=None`) can read private admin notes, uploaded documents, gym contracts, user configuration, and user permission data for **any other unaffiliated user** on the instance. The subsequent querysets filter only on the attacker-supplied `member_id` with no secondary gym-scoped validation, so all records are disclosed. Version 2.6 fixes the issue."}], "id": "CVE-2026-43976", "lastModified": "2026-10-07T18:17:20.770", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 4.2, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-43976", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-07T17:22:26.839960Z", "version": "2.0.3"}}]}, "published": "2026-10-07T14:17:09.887", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/wger-project/wger/releases/tag/2.6"}, {"source": "security-advisories@github.com", "url": "https://github.com/wger-project/wger/security/advisories/GHSA-c72h-82w6-rqfp"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/wger-project/wger/security/advisories/GHSA-c72h-82w6-rqfp"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,2.6)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "wger", "source": "cna", "vendor": "wger-project"}, "product": "wger", "vendor": "wger-project"}], "created": "2026-10-07T15:45:06.397359+00:00", "updated": "2026-10-07T15:45:06.545983+00:00", "vendors": ["wger-project", "wger-project$PRODUCT$wger"]}