medium4.3
CVE-2025-5891
pm2 Regular Expression Denial of Service vulnerability
Impact
A vulnerability classified as problematic was found in Unitech pm2 prior to 7.0.0. This vulnerability affects unknown code of the file /lib/tools/Config.js. The manipulation leads to inefficient regular expression complexity. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | pm2 | < 7.0.0 | 7.0.0 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Keymetric | Pm2 | through 6.0.6 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://gist.github.com/mmmsssttt404/407e2ffe3e0eaa393ad923a86316a385
- https://github.com/Unitech/pm2/pull/5971
- https://vuldb.com/?ctiid.311662
- https://vuldb.com/?id.311662
- https://vuldb.com/?submit.585750
- https://github.com/advisories/GHSA-x5gf-qvw8-r2rm
- https://nvd.nist.gov/vuln/detail/CVE-2025-5891
- https://github.com/Unitech/pm2/issues/6075
- https://github.com/Unitech/pm2/commit/8b9354800a1d157cb9503a3ec414ef1e4700dc1c
- https://github.com/Unitech/pm2/blob/ba62cae9b9b7116ee758b70f538919a52515fa26/CHANGELOG.md?plain=1#L36
- https://github.com/Unitech/pm2/releases/tag/v7.0.0