{"cve":"CVE-2026-73840","nvd":{"published":"2026-08-13T22:17:28.737","modified":"2026-09-08T20:56:50.520","status":"Deferred","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","score":5.3},"cwes":["CWE-287","CWE-290","CWE-345"],"references":["https://github.com/openchoreo/openchoreo/commit/268efd9b762a3f4f72b55d9c1b13dfc55122127b","https://github.com/openchoreo/openchoreo/commit/8af4a3fc8725fc2d8a9de9611e77278a5c48f978","https://github.com/openchoreo/openchoreo/commit/f540553db7143141b73bb37fae02102e6f082a34","https://github.com/openchoreo/openchoreo/pull/4239","https://github.com/openchoreo/openchoreo/pull/4252"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:48:17.459049833+00:00"},"epss":{"cve":"CVE-2026-73840","score":0.00346,"percentile":0.28237,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-c5f6-2rm9-2w8g","url":"https://osv.dev/vulnerability/GHSA-c5f6-2rm9-2w8g","summary":"OpenChoreo: Unauthenticated build/workflow trigger via git-provider confusion (webhook signature bypass)","modified":"2026-09-10T15:25:52.768250757Z","packages":[{"ecosystem":"Go","name":"github.com/openchoreo/openchoreo","purl":"pkg:golang/github.com/openchoreo/openchoreo","ranges":["<1.0.3"],"fixed":["1.0.3"]},{"ecosystem":"Go","name":"github.com/openchoreo/openchoreo","purl":"pkg:golang/github.com/openchoreo/openchoreo","ranges":[">=1.1.0 <1.1.3"],"fixed":["1.1.3"]},{"ecosystem":"Go","name":"github.com/openchoreo/openchoreo","purl":"pkg:golang/github.com/openchoreo/openchoreo","ranges":[">=1.2.0-rc.1 <1.2.0-rc.2"],"fixed":["1.2.0-rc.2"]}]},{"id":"GO-2026-6360","url":"https://osv.dev/vulnerability/GO-2026-6360","summary":"OpenChoreo: Unauthenticated build/workflow trigger via git-provider confusion (webhook signature bypass) in github.com/openchoreo/openchoreo","modified":"2026-09-10T15:15:13.555586546Z","packages":[{"ecosystem":"Go","name":"github.com/openchoreo/openchoreo","purl":"pkg:golang/github.com/openchoreo/openchoreo","ranges":["<1.0.3",">=1.1.0 <1.1.3",">=1.2.0-rc.1 <1.2.0-rc.2"],"fixed":["1.0.3","1.1.3","1.2.0-rc.2"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}