CVE-2026-2641
universal-ctags V Language v.c parseExprList recursion
- State
- Published
- Severity
- 4.8 Medium
- Published
- Feb 18, 2026
- Updated
- Feb 23, 2026
- Reserved
- Feb 17, 2026
Description
A weakness has been identified in universal-ctags ctags up to 6.2.1. The affected element is the function parseExpression/parseExprList of the file parsers/v.c of the component V Language Parser. Executing a manipulation can lead to uncontrolled recursion. It is possible to launch the attack on the local host. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 4.8 Medium | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 3.3 Low | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R | VulDB |
| 3.0 | 3.3 Low | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 1.7 Low | AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
ctagsuniversal-ctags |
|
References
- VDB-346397 | universal-ctags V Language v.c parseExprList recursionvdb-entrytechnical-description
- VDB-346397 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #752768 | universal-ctags ctags master-branch Uncontrolled Recursionthird-party-advisory
- https://github.com/universal-ctags/ctags/issues/4369issue-tracking
- https://github.com/oneafter/0116/blob/main/poc.vexploit
- https://github.com/universal-ctags/ctags/product
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