Description
A vulnerability has been found in yarnpkg Yarn up to 1.22.22. This impacts the function setOptions of the file src/util/request-manager.js. Such manipulation leads to inefficient regular expression complexity. Local access is required to approach this attack. This vulnerability only affects products that are no longer supported by the maintainer.
References (4)
Core 4
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.320913
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.320913
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.633486
Exploit, Issue Tracking issue-tracking
https://github.com/yarnpkg/yarn/pull/9203
Scores
CVSS v3
3.3
EPSS
0.0019
EPSS Percentile
8.5%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-1333
CWE-400
Status
published
Products (1)
yarnpkg/yarn
< 1.22.22
Published
Aug 21, 2025
Tracked Since
Feb 18, 2026