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CVE-2025-9308

yarnpkg Yarn request-manager.js setOptions redos

CVSS 4.8 MEDIUMEPSS 0.2%CWE-1333CWE-400
Vexday Risk Score
13Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 4.8EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
21 Aug 2025Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X
Affected products
yarnpkg · Yarn

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References
https://github.com/yarnpkg/yarn/pull/9203https://vuldb.com/?ctiid.320913https://vuldb.com/?id.320913https://vuldb.com/?submit.633486