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    CVE-2026-87819

    GitPython before 3.1.60 contains a regular expression denial of service vulnerability in Actor.name_email_regex that processes commit author and committer fields. Attackers can craft a commit object with a malformed author field containing an unterminated angle bracket to cause quadratic backtracking, exhausting CPU resources for over two minutes per commit access.

    Published:Sep 9, 2026
    Last Modified:Sep 10, 2026
    EPS:Sep 9, 2026
    EPSS Score:0.00279
    CVSS Score:7.5

    Affected Products

    Vendor
    Gitpython-developers
    Product
    Gitpython
    Vendor
    Gitpython Project
    Product
    Gitpython

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-492 Regular Expression Exponential Blowup

    Related CVEs

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    CVE-2026-78679 (CVSS 7.1) — GitPython before 3.1.59 contains an arbitrary file read vulnerability in TagReference.create() where a positio…
    CVE-2026-78678 (CVSS 7.1) — GitPython versions before 3.1.59 contain an incomplete denylist in the unsafe_git_revision_options guard that …
    CVE-2026-76222 (CVSS 8.4) — GitPython before 3.1.58 fails to validate submodule names from .gitmodules files, allowing attackers to create…
    CVE-2026-76218 (CVSS 7.7) — GitPython before 3.1.58 contains a remote code execution vulnerability in Repo.init that forwards unsafe git o…
    CVE-2026-73625 (CVSS 8.7) — GitPython versions before 3.1.54 contain a remote code execution vulnerability in the check_unsafe_options gua…
    CVE-2026-73624 (CVSS 7.2) — GitPython versions before 3.1.54 contain an arbitrary file overwrite vulnerability in the Diffable.diff method…
    CVE-2026-73623 (CVSS 7.7) — GitPython before 3.1.54 contains an incomplete denylist in unsafe_git_clone_options that omits --template, all…
    CVE-2026-73622 (CVSS 8.7) — GitPython before 3.1.55 fails to disable environment variable expansion in Remote.create() and Submodule.add()…

    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