Bug 2523214 (CVE-2026-78675)

Summary: CVE-2026-78675 GitPython: GitPython: Local file content disclosure via malicious .gitmodules
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: alinfoot, anthomas, bbrownin, dfreiber, drow, dschmidt, dtrifiro, eglynn, ehelms, ggainey, jburrell, jdobes, jjoyce, jlanda, jmitchel, jpasqual, jpretori, jschluet, juwatts, kaycoth, kshier, lhh, mburns, mdellweg, mgarciac, mhulan, nmoumoul, orabin, osousa, pcreech, rchan, rjohnson, simaishi, smallamp, stcannon, teagle, tmalecek, vkumar, weaton, yguenane
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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Doc Text:
A flaw was found in GitPython that could allow for local file content disclosure. This vulnerability occurs because GitPython does not properly disable merge_includes when processing .gitmodules files. An attacker could exploit this by creating a specially crafted .gitmodules file with include directives that reference sensitive local files. When a user interacts with the repository's submodules, the system may inadvertently reveal the first line of these sensitive files through an error message.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2531304, 2531305    
Bug Blocks:    

Description OSIDB Bzimport 2026-08-25 01:53:45 UTC
GitPython before 3.1.59 fails to disable merge_includes when parsing .gitmodules, allowing attackers to disclose local file content by including arbitrary file paths via [include] directives. Attackers can craft a malicious .gitmodules file with include directives pointing to sensitive files; when repo.submodules is accessed, GitConfigParser raises MissingSectionHeaderError embedding the target file's first line verbatim in the exception message.