SSRF in Linuxfoundation Rekor
CVE-2026-24117
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…
Vulnerability class: SSRF (Server-Side Request Forgery)
EPSS: 0.003 (25.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Linuxfoundation Rekor
- Sigstore Rekor — versions < 1.5.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Product, x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2026-24117?
- CVE-2026-24117 is a medium-severity vulnerability in Linuxfoundation Rekor, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.3/10. Published 2026-01-22.
- How severe is CVE-2026-24117?
- Medium severity. CVSS v3 base score is 5.3 out of 10.