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.
INFO
Published Date :
2026-03-22T05:35:12.096Z
Last Modified :
2026-03-23T16:08:49.809Z
Source :
VulDB
AFFECTED PRODUCTS
The following products are affected by CVE-2026-4539 vulnerability.
| Vendors | Products |
|---|---|
| Pygments |
|
REFERENCES
Here, you will find a curated list of external links that provide in-depth information to CVE-2026-4539.
CVSS Vulnerability Scoring System
Detailed values of each vector for above chart.
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Privileges Required
User Interaction
VS Confidentiality
VS Integrity
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SS Confidentiality
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Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
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Scope
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Integrity Impact
Availability Impact
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Detailed values of each vector for above chart.
Access Vector
Access Complexity
Authentication
Confidentiality Impact
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