Vim: Command injection via backtick expansion in tag filenames

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Summary

CVECVE-2026-41411
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-24 17:16:22 UTC
Updated2026-04-24 17:56:41 UTC
DescriptionVim is an open source, command line text editor. Prior to 9.2.0357, A command injection vulnerability exists in Vim's tag file processing. When resolving a tag, the filename field from the tags file is passed through wildcard expansion to resolve environment variables and wildcards. If the filename field contains backtick syntax (e.g., `command`), Vim executes the embedded command via the system shell with the full privileges of the running user.

Risk And Classification

Primary CVSS: v3.1 6.6 MEDIUM from [email protected]

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:L

EPSS: 0.001370000 probability, percentile 0.332600000 (date 2026-04-25)

Problem Types: CWE-78 | CWE-78 CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.6MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:L
3.1CNADECLARED6.6MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:L

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
High
Availability
Low

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:L

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Vim Vim affected < 9.2.0357 Not specified

References

ReferenceSourceLinkTags
github.com/vim/vim/security/advisories/GHSA-cwgx-gcj7-6qh8 [email protected] github.com
github.com/vim/vim/releases/tag/v9.2.0357 [email protected] github.com
github.com/vim/vim/commit/c78194e41d5a0b05b0ddf383b6679b1503f977fb [email protected] github.com
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