Vulnerability in Sigstore Sigstore-js
CVE-2026-48816
sigstore-js provides JavaScript libraries for interacting with Sigstore services. Prior to 3.1.1, @sigstore/verify derives a transparency-log timestamp from tlogEntries[].integratedTime for bundle v0.2 inclusionProof-only entries even thou…
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Sigstore Sigstore-js — versions < 3.1.1
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-48816?
- CVE-2026-48816 is a medium-severity vulnerability in Sigstore Sigstore-js, classified under Insufficient Verification of Data Authenticity. CVSS score: 6.5/10. Published 2026-07-14.
- How severe is CVE-2026-48816?
- Medium severity. CVSS v3 base score is 6.5 out of 10.