CVE-2026-4539
LOW
NVD
CVSS Score
3.3
Severity
LOW
Published
Mar 22, 2026
Vendor
unknown
Description
A security flaw has been discovered in pygments up to 2.19.2. The impacted element is the function AdlLexer of the file pygments/lexers/archetype.py. The manipulation results in inefficient regular expression complexity. The attack is only possible with local access. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.