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Vulnerabilities CVE-2026-48816

CVE-2026-48816

Medium
Open
TLP:CLEAR

sigstore-js: Insufficient Verification of Data Authenticity

NVD CVE.org
Critical Infrastructure

AI Analysis

No AI analysis yet.

Description

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 though the inclusion proof path does not cryptographically bind integratedTime, allowing an attacker who can supply an untrusted bundle to influence certificate validity and timestampThreshold verification decisions. This issue is fixed in version 3.1.1.

Details

CVSS Score
6.5
EPSS Score
0.12%

2.5th percentile

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Confidence
90%
Published
Jul 14, 2026
Last Modified
Jul 15, 2026
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