CVE-2026-42215: GitPython: Command injection via Git options bypass
CVE-2026-42215 key facts
- CISA KEV
- Not listed (catalogue checked )
- Highest advisory rating
- Critical
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H· base score 8.8, scored by GitHub_MAttack vector: network. Attack complexity: low. Privileges required: low. User interaction: none. Scope: unchanged. Confidentiality impact: high. Integrity impact: high. Availability impact: high.- Weakness
- CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
- EPSS
- 0.75% chance of exploitation in the next 30 days (55th percentile). FIRST EPSS, .
- CISA SSVC
- Exploitation: proof of concept exists. Automatable: no. Technical impact: total. CISA, .
- Vendor advisories
- 1 from Splunk
- Assigned by
- GitHub_M (CNA)
- CVE record published
- Listed by VulniPulse
Ratings, versions and fixes are quoted from the vendor advisories that cover only CVE-2026-42215; each belongs to its advisory, not to every product listed. How records are collected and checked.
Description
GitPython is a python library used to interact with Git repositories. From version 3.1.30 to before version 3.1.47, GitPython blocks dangerous Git options such as --upload-pack and --receive-pack by default, but the equivalent Python kwargs upload_pack and receive_pack bypass that check. If an application passes attacker-controlled kwargs into Repo.clone_from(), Remote.fetch(), Remote.pull(), or Remote.push(), this leads to arbitrary command execution even when allow_unsafe_options is left at its default value of False. This issue has been patched in version 3.1.47.
Text from the CVE.org record (GitHub_M).
Vendor advisories for CVE-2026-42215
Splunk
1 advisory- Advisory severityCritical
Critical [CVE-2025-13465 +86] Third-Party Package Updates in Splunk SOAR - August 2026
SVD-2026-0805Source published
This bulletin covers 87 CVEs. The products, versions, score and guidance below describe the bulletin; check its source for applicability to this specific CVE.
Splunk remedied common vulnerabilities and exposures (CVEs) in Third Party Packages in Splunk SOAR version 8.6.0, and higher. Affected product named by the advisory: Splunk SOAR 8.6.
- Affected products in this advisory
- Splunk SOAR 8.6
- Source-reported affected versions
- Splunk SOAR Below 8.6.0
- Source-reported fixed versions
- Splunk SOAR 8.6.0
- Mitigation guidance
- Upgrade Splunk SOAR to version 8.6.0, or higher.
References
Timeline
- CVE record published
- CVE record last updated
- First vendor advisory listed by VulniPulse
More Splunk advisories
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