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Moderate severityOSV Advisory· Published Jan 22, 2026· Updated Jan 23, 2026

Rekor affected by Server-Side Request Forgery (SSRF) via provided public key URL

CVE-2026-24117

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. To workaround this issue, disable the search endpoint with --enable_retrieve_api=false.

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Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
github.com/sigstore/rekorGo
< 1.5.01.5.0

Affected products

129

Patches

Vulnerability mechanics

References

5

News mentions

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