{"id":"GHSA-4c4x-jm2x-pf9j","revision":null,"records":[{"revision":"1f9f7c673d6f4d60b2598d3c9ac33d69","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-24117","aliases":[],"title":"Rekor affected by Server-Side Request Forgery (SSRF) via provided public key URL","description":"Rekor is a software supply chain transparency log. In versions 1.4.3 and below, attackers can trigger SSRF to arbitrary internal services because /api/v1/index/retrieve supports retrieving a public key via user-provided URL. Since the SSRF only can trigger GET requests, the request cannot mutate state. The response from the GET request is not returned to the caller so data exfiltration is not possible. A malicious actor could attempt to probe an internal network through Blind SSRF. The issue has been fixed in version 1.5.0. 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To workaround this issue, disable the search endpoint with --enable_retrieve_api=false.","state":0,"publishedAt":"2026-01-22T22:16:21.577+00:00","modifiedAt":"2026-06-17T10:22:39.507+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security-advisories@github.com · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","score":5.3,"severity":"MEDIUM"}],"references":["https://github.com/sigstore/rekor/commit/60ef2bceba192c5bf9327d003bceea8bf1f8275f","https://github.com/sigstore/rekor/releases/tag/v1.5.0","https://github.com/sigstore/rekor/security/advisories/GHSA-4c4x-jm2x-pf9j"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-24117","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Analyzed","weaknesses":["CWE-918"],"productCriteria":["cpe:2.3:a:linuxfoundation:rekor:*:*:*:*:*:*:*:*"],"sourceDates":{"published":"2026-01-22T22:16:21.577","lastModified":"2026-06-17T10:22:39.507"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-24117","identifiers":["CVE-2026-24117"]},"retained":false,"historicalAffected":[]},{"revision":"30e76c78dd294a9eae391d0e34742158","observedAt":"2026-10-24T13:19:41.952+00:00","statement":{"source":"osv","id":"GHSA-4c4x-jm2x-pf9j","aliases":["CVE-2026-24117","GO-2026-4355"],"title":"Rekor affected by Server-Side Request Forgery (SSRF) via provided public key URL","description":"## Summary\n\n`/api/v1/index/retrieve` supports retrieving a public key via a user-provided URL, allowing attackers to trigger SSRF to arbitrary internal services.\n\nSince the SSRF only can trigger GET requests, the request cannot mutate state. The response from the GET request is not returned to the caller so data exfiltration is not possible. A malicious actor could attempt to probe an internal network through [Blind SSRF](https://portswigger.net/web-security/ssrf/blind).\n\n## Impact\n\n* SSRF to cloud metadata (169.254.169.254)\n* SSRF to internal Kubernetes APIs\n* SSRF to any service accessible from Fulcio's network\n\n## Patches\n\nUpgrade to v1.5.0. Note that this is a breaking change to the search API and fully disables lookups by URL. If you require this feature, please reach out and we can discuss alternatives.\n\n## Workarounds\n\nDisable the search endpoint with `--enable_retrieve_api=false`.","state":0,"publishedAt":"2026-01-22T18:41:26+00:00","modifiedAt":"2026-09-10T03:50:58.9463636+00:00","affected":[{"ecosystem":"Go","name":"github.com/sigstore/rekor","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"1.5.0"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"MODERATE"}],"references":["https://github.com/sigstore/rekor/security/advisories/GHSA-4c4x-jm2x-pf9j","https://nvd.nist.gov/vuln/detail/CVE-2026-24117","https://github.com/sigstore/rekor/commit/60ef2bceba192c5bf9327d003bceea8bf1f8275f","https://github.com/sigstore/rekor","https://github.com/sigstore/rekor/releases/tag/v1.5.0"],"sourceUrl":"https://github.com/advisories/GHSA-4c4x-jm2x-pf9j","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-4c4x-jm2x-pf9j","identifiers":["GHSA-4c4x-jm2x-pf9j","CVE-2026-24117","GO-2026-4355"]},"retained":false,"historicalAffected":[]},{"revision":"c2be8046dcf34905942dbf473ec09df9","observedAt":"2026-10-24T13:19:41.952+00:00","statement":{"source":"osv","id":"GO-2026-4355","aliases":["CVE-2026-24117","GHSA-4c4x-jm2x-pf9j"],"title":"Rekor affected by Server-Side Request Forgery (SSRF) via provided public key URL in github.com/sigstore/rekor","description":"Rekor affected by Server-Side Request Forgery (SSRF) via provided public key URL in github.com/sigstore/rekor","state":0,"publishedAt":"2026-02-02T21:05:55+00:00","modifiedAt":"2026-02-04T03:21:00.459703+00:00","affected":[{"ecosystem":"Go","name":"github.com/sigstore/rekor","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"1.5.0"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[],"references":["https://github.com/sigstore/rekor/security/advisories/GHSA-4c4x-jm2x-pf9j","https://nvd.nist.gov/vuln/detail/CVE-2026-24117","https://github.com/sigstore/rekor/commit/60ef2bceba192c5bf9327d003bceea8bf1f8275f","https://github.com/sigstore/rekor/releases/tag/v1.5.0"],"sourceUrl":"https://osv.dev/vulnerability/GO-2026-4355","license":"OSV · upstream source license applies","key":"osv:GO-2026-4355","identifiers":["GO-2026-4355","CVE-2026-24117","GHSA-4c4x-jm2x-pf9j"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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