CVE-2026-49987: Repomix is a tool that packs repositories into AI-friendly files

Q: How do I fix CVE-2026-49987?

repomix: upgrade to 1.14.1. Exact commands for each OS are on this page.

Q: Is CVE-2026-49987 being exploited?

CVE-2026-49987 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-49987 affect?

CVE-2026-49987 affects repomix. Severity is high (CVSS 8.8). 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

Q: How urgent is CVE-2026-49987?

Priority 49/100. High severity; Public exploit reference

This month

HIGH 8.8UPGRADE

CVE-2026-49987 is a high-severity flaw (CVSS 8.8) affecting repomix. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.7% (top 47%)
CISA exploited list	No
Weakness	CWE-88
Published	2026-07-15
Last modified	2026-10-24

Publisher (CNA): GitHub, Inc. · Vendor: yamadashy

Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-15 19:17 UTCPublished CVE record published
2026-10-24 21:10 UTCUpdated Record last modified

yamadashy repomix UPGRADE

Affected: < 1.14.1

Fixed in: 1.14.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy repomix || rpm -q repomix || repomix --version

2. UPGRADE to 1.14.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade repomix

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade repomix

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-49987?

repomix: upgrade to 1.14.1. Exact commands for each OS are on this page.

Is CVE-2026-49987 being exploited?

CVE-2026-49987 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-49987 affect?

CVE-2026-49987 affects repomix. Severity is high (CVSS 8.8). 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

How urgent is CVE-2026-49987?

Priority 49/100. High severity; Public exploit reference

Software pages

Git vulnerabilities

Related CVEs

CVE-2026-49988 MEDIUM 5.5 UPGRADE Repomix is a tool that packs repositories into AI-friendly files

References

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