CVE-2026-73840

{"id": "CVE-2026-73840", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-73840", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-14T16:25:46.438980Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 3.9}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "openchoreo", "product": "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"}]}]}], "published": "2026-08-13T22:17:28.737", "references": [{"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", "source": "security-advisories@github.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-287"}, {"lang": "en", "value": "CWE-290"}, {"lang": "en", "value": "CWE-345"}]}], "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."}], "lastModified": "2026-09-08T20:56:50.520", "sourceIdentifier": "security-advisories@github.com"}