What is CVE-2026-48702?

CVE-2026-48702 is a high-severity vulnerability in Sigstore Rekor, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-08-13.

How severe is CVE-2026-48702?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Sigstore Rekor

CVE-2026-48702

Rekor is a software supply chain transparency log. Starting in version 0.3.0 and prior to version 1.5.2, the `Package.Unmarshal()` function in `pkg/types/alpine/apk.go` decompresses the signature and control gzip members of an APK file int…

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Sigstore Rekor — versions >= 0.3.0, < 1.5.2

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-48702?: CVE-2026-48702 is a high-severity vulnerability in Sigstore Rekor, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-08-13.
How severe is CVE-2026-48702?: High severity. CVSS v3 base score is 7.5 out of 10.