CVE-2026-85626

    Dashboard / Vulnerabilities / CVE-2026-85626

    CVE-2026-85626

    Published: 4 Sept 2026Last Modified: 25 Sept 2026

    Summary: git-mcp-server 2.15.1 Argument Injection via Git Ref Parameters

    Details: git-mcp-server 2.15.1 contains an argument injection vulnerability in the ref and object parameters of git_log, git_diff, and git_show tools that lack leading-dash validation. Attackers can inject git command-line options like --output= to write files outside the repository to arbitrary paths accessible by the process.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/85xxx/CVE-2026-85626.json, https://nvd.nist.gov/vuln/detail/CVE-2026-85626, https://www.vulncheck.com/advisories/git-mcp-server-2.15.1-argument-injection-via-git-ref-parameters, https://github.com/cyanheads/git-mcp-server/issues/53, https://github.com/cyanheads/git-mcp-server, https://github.com/cyanheads/git-mcp-server/blob/v2.15.3/src/services/git/providers/cli/operations/commits/log.ts, https://github.com/cyanheads/git-mcp-server/blob/v2.15.3/src/services/git/providers/cli/utils/command-builder.ts

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    v2.15.3
    v2.15.2
    v2.15.1
    v2.15.0

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2026-85626 | CVE-DB