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Git access control bypass in fast-import and fast-export

CVE-2026-114466EUVD-2026-124399GHSA-PPPP-MQPQ-44J6

4.4MediumCNA
Exploited
No known exploitation
Fix
See vendor advisory
Who is exposed
Not reported
Published
Last modified
Reference
Last checked
0.23% · 14th percentile
9/100 · provisional
None on Exploit-DB, Metasploit or GitHub

Summary

Git is affected by a flaw in which arbitrary data can be read or written through git-fast-import and git-fast-export features that are not marked unsafe. An attacker with local access can exploit this without logging in, but it requires a user to take an action.

Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.

Read the original description

Arbitrary data can be read or written through git-fast-import(1) and git-fast-export(1) features not marked unsafe

cve.now Index

9Pcve.now Index 9 of 100 · methodology v3 · provisional
  • Exploitation?/40Unknown. No CISA SSVC exploitation rating yet
  • Exposure?/25Unknown. No advisory context yet
  • Reach?/20Unknown. No tracked technology or package matched
  • Severity4.4/10CVSS 4.4
  • No patch5/5No fixed version listed; see vendor advisory

What would change the score

  • Would score about 64 if added to CISA KEV
  • Would score about 59 if CISA's SSVC rates exploitation active
  • Would score about 31 if advisories confirm default setups are exposed

Check your systems with an agent

Paste this into a coding or ops agent. It checks your systems read-only and reports a table per asset.

Check whether my systems are affected by CVE-2026-114466 (Insufficient Granularity of Access Control in Git), using the cve.now data below.

Rules: work read-only. Do not run exploit code, proof-of-concept scripts or scanners that send attack payloads, and do not change any configuration, package, image or deployment. Report findings only.

What cve.now has for CVE-2026-114466 (entry last updated 2026-11-12):
Affected:
- Git Git: versions 2.50.1, 2.51.2, 2.52.0, 2.53.0, 2.54.0, 2.55.0, 2.56.0
Fixed versions: none listed yet.
Setup: unknown whether the bug needs a non-default feature or setting. Check the advisory.
CISA KEV: CVE-2026-114466 is not listed as of cve.now's last read.
This KEV status is for CVE-2026-114466 only. If you also check another CVE, look up its own KEV status; never assume it from this one.

How to check:
- Installed software: check what is actually running, not what a repo declares. Read the version from each host, container image and Kubernetes node (the binary's version output, the OS package database, image layers), and check whether the conditions above hold there. Distribution packages may carry a backported fix under an older version number; confirm against the distribution's own advisory.

Verify against the linked advisories before concluding, and cite the date you read each one:
- https://gitlab.com/gitlab-org/git/-/work_items/812
Do not conclude an asset is unaffected unless you checked it and the evidence covers both its version and the conditions above. If you could not check something, mark it unknown and say what is missing.

Report a table with one row per asset and these columns: Asset | Version or build | Status (affected, fixed, not applicable, unknown) | Compensating controls | Exposure (internet-facing, internal, none) | Evidence | Next action.

Entry: https://cve.now/CVE-2026-114466
For follow-up questions, use the cve.now MCP server at https://mcp.cve.now/mcp (no authentication), for example execute with name cve.get and arguments {"id": "CVE-2026-114466"}.

Timeline

  1. CVE published
  2. First seen by cve.now

Affected versions

  • Git Git

    2.50.1, 2.51.2, 2.52.0, 2.53.0, 2.54.0, 2.55.0, 2.56.0

Evidence 3

CVE record · 2

Establishes: The identifier and description.

  1. Record
  2. Record

Other links · 1

  1. Link

Corrections

None so far.

Something wrong on this page? Report an error. Every fix is listed here.

Questions about CVE-2026-114466

Is CVE-2026-114466 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data

Which versions are affected by CVE-2026-114466?

Git: versions 2.50.1, 2.51.2, 2.52.0, 2.53.0, 2.54.0 and 2 more.Source: cve.now feed data