CVE-2025-9308

yarnpkg Yarn request-manager.js setOptions redos

MEDIUM
5.5
CVSS Score
Published: August 21, 2025 at 04:02 PM UTC
Updated: June 17, 2026 at 10:08 AM UTC
1 product affected across 1 vendorYarn

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

SignaturePermissions RequiredVDB Entry
https://vuldb.com/?ctiid.320913
VDB EntryTechnical DescriptionThird Party Advisory
https://vuldb.com/?id.320913
Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.633486

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-400CWE-1333

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