Bug 2459003 (CVE-2026-41082)

Summary: CVE-2026-41082 ocaml-opam: path traversal via the .install field
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: rhel-process-autobot, watson-tool-maintainers
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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Doc Text:
A flaw was found in OCaml opam. A malicious package containing a crafted .install field with directory traversal sequences allows an attacker to write files to arbitrary locations, potentially overwriting system files and causing arbitrary code execution.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On: 2459324    
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Description OSIDB Bzimport 2026-04-16 18:01:20 UTC
In OCaml opam before 2.5.1, a .install field containing a destination filepath can use ../ to reach a parent directory.