CVE-2025-8262
Yarn Remote Regular Expression Complexity Vulnerability
Description
A vulnerability was found in yarnpkg Yarn up to 1.22.22. It has been classified as problematic. Affected is the function explodeHostedGitFragment of the file src/resolvers/exotics/hosted-git-resolver.js. The manipulation leads to inefficient regular expression complexity. It is possible to launch the attack remotely. The patch is identified as 97731871e674bf93bcbf29e9d3258da8685f3076. It is recommended to apply a patch to fix this issue.
INFO
Published Date :
July 28, 2025, 7:15 a.m.
Last Modified :
July 31, 2025, 7:16 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-8262.
| URL | Resource |
|---|---|
| https://github.com/yarnpkg/yarn/pull/9199 | Exploit |
| https://github.com/yarnpkg/yarn/pull/9199/commits/97731871e674bf93bcbf29e9d3258da8685f3076 | Patch |
| https://vuldb.com/?ctiid.317850 | Permissions Required VDB Entry |
| https://vuldb.com/?id.317850 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.617393 | Third Party Advisory VDB Entry |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-8262 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-8262 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jul. 31, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-1333 Added CPE Configuration OR *cpe:2.3:a:yarnpkg:yarn:*:*:*:*:*:*:*:* versions up to (including) 1.22.22 Added Reference Type VulDB: https://github.com/yarnpkg/yarn/pull/9199 Types: Exploit Added Reference Type VulDB: https://github.com/yarnpkg/yarn/pull/9199/commits/97731871e674bf93bcbf29e9d3258da8685f3076 Types: Patch Added Reference Type VulDB: https://vuldb.com/?ctiid.317850 Types: Permissions Required, VDB Entry Added Reference Type VulDB: https://vuldb.com/?id.317850 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.617393 Types: Third Party Advisory, VDB Entry -
New CVE Received by [email protected]
Jul. 28, 2025
Action Type Old Value New Value Added Description A vulnerability was found in yarnpkg Yarn up to 1.22.22. It has been classified as problematic. Affected is the function explodeHostedGitFragment of the file src/resolvers/exotics/hosted-git-resolver.js. The manipulation leads to inefficient regular expression complexity. It is possible to launch the attack remotely. The patch is identified as 97731871e674bf93bcbf29e9d3258da8685f3076. It is recommended to apply a patch to fix this issue. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L Added CVSS V2 (AV:N/AC:L/Au:S/C:N/I:N/A:P) Added CWE CWE-400 Added CWE CWE-1333 Added Reference https://github.com/yarnpkg/yarn/pull/9199 Added Reference https://github.com/yarnpkg/yarn/pull/9199/commits/97731871e674bf93bcbf29e9d3258da8685f3076 Added Reference https://vuldb.com/?ctiid.317850 Added Reference https://vuldb.com/?id.317850 Added Reference https://vuldb.com/?submit.617393
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-8262 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-8262
weaknesses.