Bug 2499370 (CVE-2026-61858)

Summary: CVE-2026-61858 ImageMagick: ImageMagick: Policy bypass allows unauthorized file writing via APNG encoder
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: low Docs Contact:
Priority: low    
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 ImageMagick. This vulnerability allows attackers to bypass configured policy restrictions through the APNG (Animated Portable Network Graphics) encoding process. By exploiting missing validation checks in the APNG encoder and external delegates, an attacker can write files to disallowed paths. This could lead to unauthorized file creation or modification, potentially impacting system integrity.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2499407, 2499408    
Bug Blocks:    

Description OSIDB Bzimport 2026-07-11 14:01:30 UTC
ImageMagick before 7.1.2-26 contains a policy bypass vulnerability in the APNG encoder and external delegates due to missing validation checks. Attackers can write files to disallowed paths by bypassing configured policy restrictions through the APNG encoding process.