CVE-2026-34165
Last modified
CVE-2026-34165 is a medium-severity vulnerability rated 5/10 on the CVSS scale. go-git is an extensible git implementation library written in pure Go. From version 5.0.0 to before version 5.17.1, a vulnerability has been identified in which a maliciously crafted .idx file can cause asymmetric memory consumption, potentially exhausting available memory and resulting in a denial-of-service (DoS) condition. EPSS estimates a 0.15% chance of exploitation in the next 30 days.
Description
go-git is an extensible git implementation library written in pure Go. From version 5.0.0 to before version 5.17.1, a vulnerability has been identified in which a maliciously crafted .idx file can cause asymmetric memory consumption, potentially exhausting available memory and resulting in a denial-of-service (DoS) condition. Exploitation requires write access to the local repository's .git directory, it order to create or alter existing .idx files. This issue has been patched in version 5.17.1.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Go-Git Project | Go-Git | >= 5.0.0, < 5.17.1 |
References
- https://github.com/go-git/go-git/releases/tag/v5.17.1Product, Release Notes
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-34165?
How severe is CVE-2026-34165?
How do I fix CVE-2026-34165?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-34159llama.cpp is an inference of several LLM models in C/C++. Pr…9.8
- CVE-2026-34160Chamilo LMS is an open-source learning management system. In…8.6
- CVE-2026-34161Chamilo LMS is an open-source learning management system. In…5.4
- CVE-2026-34162FastGPT is an AI Agent building platform. Prior to version 4…10
- CVE-2026-34163FastGPT is an AI Agent building platform. Prior to version 4…7.7
- CVE-2026-34164Valtimo is an open-source business process automation platfo…4.9
- CVE-2026-34166LiquidJS is a Shopify / GitHub Pages compatible template eng…5.3
- CVE-2026-34167Coolify is an open-source and self-hostable tool for managin…5
- CVE-2026-34168Coolify is an open-source and self-hostable tool for managin…8.8
- CVE-2026-34170Coolify is an open-source and self-hostable tool for managin…4.3
- CVE-2026-34171Coolify is an open-source and self-hostable tool for managin…8
- CVE-2026-34172Giskard is an open-source Python library for testing and eva…8.8
Are you affected by CVE-2026-34165?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST