{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-73840", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-08-13T17:44:28.640Z", "datePublished": "2026-08-13T21:52:27.798Z", "dateUpdated": "2026-08-13T21:52:27.995Z"}, "containers": {"cna": {"title": "OpenChoreo: Unauthenticated build/workflow trigger via git-provider confusion (webhook signature bypass)", "problemTypes": [{"descriptions": [{"cweId": "CWE-287", "lang": "en", "description": "CWE-287: Improper Authentication", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-290", "lang": "en", "description": "CWE-290: Authentication Bypass by Spoofing", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-345", "lang": "en", "description": "CWE-345: Insufficient Verification of Data Authenticity", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}}], "references": [{"name": "https://github.com/openchoreo/openchoreo/security/advisories/GHSA-c5f6-2rm9-2w8g", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/openchoreo/openchoreo/security/advisories/GHSA-c5f6-2rm9-2w8g"}, {"name": "https://github.com/openchoreo/openchoreo/pull/4239", "tags": ["x_refsource_MISC"], "url": "https://github.com/openchoreo/openchoreo/pull/4239"}, {"name": "https://github.com/openchoreo/openchoreo/pull/4252", "tags": ["x_refsource_MISC"], "url": "https://github.com/openchoreo/openchoreo/pull/4252"}, {"name": "https://github.com/openchoreo/openchoreo/pull/4253", "tags": ["x_refsource_MISC"], "url": "https://github.com/openchoreo/openchoreo/pull/4253"}, {"name": "https://github.com/openchoreo/openchoreo/commit/268efd9b762a3f4f72b55d9c1b13dfc55122127b", "tags": ["x_refsource_MISC"], "url": "https://github.com/openchoreo/openchoreo/commit/268efd9b762a3f4f72b55d9c1b13dfc55122127b"}, {"name": "https://github.com/openchoreo/openchoreo/commit/8af4a3fc8725fc2d8a9de9611e77278a5c48f978", "tags": ["x_refsource_MISC"], "url": "https://github.com/openchoreo/openchoreo/commit/8af4a3fc8725fc2d8a9de9611e77278a5c48f978"}, {"name": "https://github.com/openchoreo/openchoreo/commit/f540553db7143141b73bb37fae02102e6f082a34", "tags": ["x_refsource_MISC"], "url": "https://github.com/openchoreo/openchoreo/commit/f540553db7143141b73bb37fae02102e6f082a34"}, {"name": "https://github.com/openchoreo/openchoreo/releases/tag/v1.0.3", "tags": ["x_refsource_MISC"], "url": "https://github.com/openchoreo/openchoreo/releases/tag/v1.0.3"}, {"name": "https://github.com/openchoreo/openchoreo/releases/tag/v1.1.3", "tags": ["x_refsource_MISC"], "url": "https://github.com/openchoreo/openchoreo/releases/tag/v1.1.3"}, {"name": "https://github.com/openchoreo/openchoreo/releases/tag/v1.2.0-rc.2", "tags": ["x_refsource_MISC"], "url": "https://github.com/openchoreo/openchoreo/releases/tag/v1.2.0-rc.2"}], "affected": [{"vendor": "openchoreo", "product": "openchoreo", "versions": [{"version": "< 1.0.3", "status": "affected"}, {"version": ">= 1.1.0, < 1.1.3", "status": "affected"}, {"version": ">= 1.2.0-rc.1, < 1.2.0-rc.2", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-13T21:52:27.995Z"}, "descriptions": [{"lang": "en", "value": "OpenChoreo is a complete, open-source developer platform for Kubernetes. Prior to 1.0.3, 1.1.3, and 1.2.0-rc.2, the POST /api/v1alpha1/autobuild endpoint in internal/openchoreo-api/api/handlers/webhook_handler.go selected a webhook provider from caller-controlled X-Event-Key, accepted Bitbucket requests without HMAC-SHA256 in X-Hub-Signature or a configured bitbucket-secret, and allowed unauthenticated build triggers for components matched by repository URL and branch, including cross-provider triggers using attacker-supplied commit SHAs. This issue is fixed in versions 1.0.3, 1.1.3, and 1.2.0-rc.2."}], "source": {"advisory": "GHSA-c5f6-2rm9-2w8g", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "openchoreo", "vendor": "openchoreo", "versions": [{"status": "affected", "version": "< 1.0.3"}, {"status": "affected", "version": ">= 1.1.0, < 1.1.3"}, {"status": "affected", "version": ">= 1.2.0-rc.1, < 1.2.0-rc.2"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "OpenChoreo is a complete, open-source developer platform for Kubernetes. Prior to 1.0.3, 1.1.3, and 1.2.0-rc.2, the POST /api/v1alpha1/autobuild endpoint in internal/openchoreo-api/api/handlers/webhook_handler.go selected a webhook provider from caller-controlled X-Event-Key, accepted Bitbucket requests without HMAC-SHA256 in X-Hub-Signature or a configured bitbucket-secret, and allowed unauthenticated build triggers for components matched by repository URL and branch, including cross-provider triggers using attacker-supplied commit SHAs. This issue is fixed in versions 1.0.3, 1.1.3, and 1.2.0-rc.2."}], "id": "CVE-2026-73840", "lastModified": "2026-08-13T22:17:28.737", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-08-13T22:17:28.737", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/openchoreo/openchoreo/commit/268efd9b762a3f4f72b55d9c1b13dfc55122127b"}, {"source": "security-advisories@github.com", "url": "https://github.com/openchoreo/openchoreo/commit/8af4a3fc8725fc2d8a9de9611e77278a5c48f978"}, {"source": "security-advisories@github.com", "url": "https://github.com/openchoreo/openchoreo/commit/f540553db7143141b73bb37fae02102e6f082a34"}, {"source": "security-advisories@github.com", "url": "https://github.com/openchoreo/openchoreo/pull/4239"}, {"source": "security-advisories@github.com", "url": "https://github.com/openchoreo/openchoreo/pull/4252"}, {"source": "security-advisories@github.com", "url": "https://github.com/openchoreo/openchoreo/pull/4253"}, {"source": "security-advisories@github.com", "url": "https://github.com/openchoreo/openchoreo/releases/tag/v1.0.3"}, {"source": "security-advisories@github.com", "url": "https://github.com/openchoreo/openchoreo/releases/tag/v1.1.3"}, {"source": "security-advisories@github.com", "url": "https://github.com/openchoreo/openchoreo/releases/tag/v1.2.0-rc.2"}, {"source": "security-advisories@github.com", "url": "https://github.com/openchoreo/openchoreo/security/advisories/GHSA-c5f6-2rm9-2w8g"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}, {"lang": "en", "value": "CWE-290"}, {"lang": "en", "value": "CWE-345"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}