HIGHVulnerability

CVE-2026-76221

GitPython before 3.1.58 contains a config-name injection vulnerability in the option-name validator that allows attackers to forge arbitrary git-config directives by injecting equals signs, hash symbols, and whitespace into option names. Attackers can inject malicious option names like 'sshCommand = touch /tmp/RCE #' to execute arbitrary commands via core.sshCommand or core.hooksPath on the next git operation.

Properties

severity
HIGH
score
8.8
epss_score
0.00485
cve_id
CVE-2026-76221
vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
published_at
2026-08-19T14:17:48.463
last_modified
2026-09-02T19:50:16.960
epss_percentile
0.39962

Related Entities (4)

ENRICHED_BY (1)

[Source]FIRST EPSS

AFFECTS_PRODUCT (1)

[Product]

DESCRIBED_BY (1)

[Source]NVD

HAS_WEAKNESS (1)

[Weakness]Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

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CVE-2026-76221 — Ninja Signal Threat Intelligence | Ninja Signal