Low [CVE-2026-56377] ImageMagick - Policy Bypass via Incorrect Path Validation
This low-severity Red Hat Linux advisory covers CVE-2026-56377 affecting Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat package: imagemagick.
Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.
VulniPulse record published Record updated
Summary
ImageMagick before 7.1.2-24 contains an incorrect policy check that allows attackers to create or truncate files disallowed by security policies. Remote attackers can bypass path policy restrictions in sandboxed conversion services to write arbitrary files outside intended boundaries.
By circumventing these controls, an attacker can create or truncate files outside permitted security boundaries, leading to unauthorized file manipulation.
This could lead to the creation or truncation of files outside of intended boundaries, potentially affecting data integrity in specific configurations where ImageMagick processes untrusted input in a sandboxed environment. Red Hat severity: Low — CVSS 3.3 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N).
Weakness: CWE-22. Affected Red Hat products: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7.
Will not fix / out of support: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7. Red Hat does not currently list a fixing RHSA for this CVE.
Affected products named by the advisory: Red Hat package: imagemagick.
Is CVE-2026-56377 exploited?
No exploitation is reported in the sources VulniPulse tracks: CVE-2026-56377 is not in the CISA KEV catalog (checked ) and this advisory does not report exploitation. That is not proof the vulnerability cannot be exploited.
How do I fix CVE-2026-56377?
The advisory VulniPulse tracks names no fixed release. Follow Red Hat's guidance for workarounds and updates.
Confirm against the vendor advisory before you patch.
- < 7.1.2-24
Official advisory · high-confidence parse· fetched 12 days ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists. Confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 12 days ago·verify at source
Mitigation checklist
- To mitigate this use OS-level controls like SELinux, AppArmor, or container restrictions to strictly confine ImageMagick's write permissions. Restrict the process so it can only write to specific temporary or input directories, preventing unauthorized system file changes.
Official advisory · high-confidence parse· fetched 12 days ago·verify at source
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