CVE-2026-118763 sigstore-js - Information Disclosure

sigstore-js < 0.7.2 contains an information disclosure caused by RegistryClient.uploadBlob() sending authentication headers to attacker-controlled hosts, letting malicious registries steal bearer tokens and credentials, exploit requires interaction with a malicious registry.

CVSS base score 7.4 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.30% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Information Disclosure
Impact
Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
Published
29 October 2026
Updated
31 October 2026
Weakness
CWE-522

Vendor fix

Update to version 0.7.2 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

← All CVEs