{"id":"CVE-2026-73840","title":"OpenChoreo is a complete, open-source developer platform for Kubernetes","summary":"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 provi…","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","cwe":["CWE-287","CWE-290","CWE-345"],"vendor":"openchoreo","product":"github.com/openchoreo/openchoreo","affected":["github.com/openchoreo/openchoreo < 1.0.3","github.com/openchoreo/openchoreo >= 1.1.0, < 1.1.3","github.com/openchoreo/openchoreo >= 1.2.0-rc.1, < 1.2.0-rc.2"],"patched":["github.com/openchoreo/openchoreo 1.0.3","github.com/openchoreo/openchoreo 1.1.3","github.com/openchoreo/openchoreo 1.2.0-rc.2"],"published":"2026-08-13","updated":"2026-09-08","sourceUpdated":"2026-09-08T20:56:50.520","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-73840","references":[{"url":"https://github.com/openchoreo/openchoreo/commit/268efd9b762a3f4f72b55d9c1b13dfc55122127b","label":"security-advisories@github.com"},{"url":"https://github.com/openchoreo/openchoreo/commit/8af4a3fc8725fc2d8a9de9611e77278a5c48f978","label":"security-advisories@github.com"},{"url":"https://github.com/openchoreo/openchoreo/commit/f540553db7143141b73bb37fae02102e6f082a34","label":"security-advisories@github.com"},{"url":"https://github.com/openchoreo/openchoreo/pull/4239","label":"security-advisories@github.com"},{"url":"https://github.com/openchoreo/openchoreo/pull/4252","label":"security-advisories@github.com"},{"url":"https://github.com/openchoreo/openchoreo/pull/4253","label":"security-advisories@github.com"},{"url":"https://github.com/openchoreo/openchoreo/releases/tag/v1.0.3","label":"security-advisories@github.com"},{"url":"https://github.com/openchoreo/openchoreo/releases/tag/v1.1.3","label":"security-advisories@github.com"},{"url":"https://github.com/openchoreo/openchoreo/releases/tag/v1.2.0-rc.2","label":"security-advisories@github.com"},{"url":"https://github.com/openchoreo/openchoreo/security/advisories/GHSA-c5f6-2rm9-2w8g","label":"security-advisories@github.com"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-73840"},{"url":"https://github.com/advisories/GHSA-c5f6-2rm9-2w8g"}],"tags":["nvd","ghsa","go"],"epss":0.00237,"epssPercentile":0.15015,"aliases":["GHSA-c5f6-2rm9-2w8g"],"ecosystem":"go","ingestedAt":"2026-09-02T23:52:22.766Z","slug":"CVE-2026-73840","body":"## Overview\n\nOpenChoreo 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Package advisory (CVE-2026-73840)\n\nAffected packages:\n\n- `github.com/openchoreo/openchoreo < 1.0.3`\n- `github.com/openchoreo/openchoreo >= 1.1.0, < 1.1.3`\n- `github.com/openchoreo/openchoreo >= 1.2.0-rc.1, < 1.2.0-rc.2`\n\nPatched in:\n\n- `github.com/openchoreo/openchoreo 1.0.3`\n- `github.com/openchoreo/openchoreo 1.1.3`\n- `github.com/openchoreo/openchoreo 1.2.0-rc.2`\n\nSource: https://github.com/advisories/GHSA-c5f6-2rm9-2w8g","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}