CVE-2025-5891: pm2 Regular Expression Denial of Service vulnerability

June 9, 2025 (updated July 11, 2025)

A vulnerability classified as problematic was found in Unitech pm2 up to 6.0.8. 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.

References

gist.github.com/mmmsssttt404/407e2ffe3e0eaa393ad923a86316a385
github.com/Unitech/pm2
github.com/Unitech/pm2/pull/5971
github.com/advisories/GHSA-x5gf-qvw8-r2rm
nvd.nist.gov/vuln/detail/CVE-2025-5891
vuldb.com/?ctiid.311662
vuldb.com/?id.311662
vuldb.com/?submit.585750

Code Behaviors & Features

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