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Vulnerability record · CVE-2026-49987 · published 15 July 2026

CVE-2026-49987: Yamadashy repomix argument injection vulnerability

YYamadashy · Repomix

Repomix is a tool that packs repositories into AI-friendly files. Prior to 1.14.1, src/core/git/gitCommand.ts execGitShallowClone passes the --remote-branch value directly to git fetch and git checkout without validation or --end-of-options, allowing --upload-pack or other Git option injection that bypasses validateGitUrl() dangerous parameter checks and can execute commands through local or SSH-style transports. This issue is fixed in version 1.14.1.

7.5 CVSS 4.0 High EPSS 0.70% · top 48.9% CWE-88 · Argument injection
7.5CVSS 4.0 base score
0.70%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
18 Aug 2026Last modified by NVD

Description

Repomix is a tool that packs repositories into AI-friendly files. Prior to 1.14.1, src/core/git/gitCommand.ts execGitShallowClone passes the --remote-branch value directly to git fetch and git checkout without validation or --end-of-options, allowing --upload-pack or other Git option injection that bypasses validateGitUrl() dangerous parameter checks and can execute commands through local or SSH-style transports. This issue is fixed in version 1.14.1.

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/yamadashy/repomix/commit/92bfa3193b5233a0d21beff929444153c088de82 Patch
https://github.com/yamadashy/repomix/releases/tag/v1.14.1 Release Notes
https://github.com/yamadashy/repomix/security/advisories/GHSA-9mm9-rqhj-j5mx ExploitVendor AdvisoryMitigation
https://github.com/yamadashy/repomix/security/advisories/GHSA-9mm9-rqhj-j5mx ExploitVendor AdvisoryMitigation

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-49987), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.