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CVE-2026-78679 is a command-line option injection flaw in GitPython TagReference.create() affecting versions 3.1.33 through 3.1.58. The method validated unsafe options derived from keyword arguments but omitted its positional path and reference arguments and did not use an end-of-options separator. A caller-controlled, hyphen-prefixed reference can therefore be interpreted by the native Git tag command as an option, including an option that reads a local file. The resulting file content is incorporated into the annotated tag message and can be recovered through tag metadata.
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No public exploit code observed for this vulnerability.
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12 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
The provided CVSS vectors describe a network-accessible vulnerability requiring low privileges, with low attack complexity and no user interaction. Its impact is high confidentiality loss, with no integrity or availability impact indicated. The content does not identify the affected product or underlying flaw. It lists a patch publication date of September 10, 2026.
Arbitrary file-read vulnerability in GitPython's TagReference.create() functionality. The advisory supplies an updated python3.12-gitpython package.
An arbitrary file-read vulnerability affects GitPython's TagReference.create() functionality. Updated GitPython packages are supplied in the advisory.
A vulnerability in GitPython's TagReference.create() allows arbitrary file reads. Updated GitPython packages are included in the advisory.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.