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CVE-2026-112896

7.1 · HIGH

Pillow is a Python imaging library.

Published Oct 19, 2026pythonCWE-125EPSS 0.47%

Overview

CVE-2026-112896 is a high-severity vulnerability affecting python pillow. It was published on October 19, 2026 and has a CVSS 3.1 base score of 7.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

Pillow is a Python imaging library. Prior to 13.0.0, Pillow's TIFF encoder can read beyond a ColorMap buffer when retained TIFF metadata has a plane size inconsistent with BitsPerSample. A small TIFF can be opened normally and then retain a crafted ColorMap that is reused when the image is saved. An application that re-encodes the attacker's TIFF with libtiff can trigger the out-of-bounds read. This can disclose heap memory in the output or crash the process. This issue is fixed in version 13.0.0.

Remediation

Check the references section for vendor advisories and patches from python. Update pillow to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
pythonpillow>= 0, < 13.0.0Affected

References

GitHubgithub.com/python-pillow/Pillow/commit/d03dc3c587a9b0bdc9e4304d70d59a635a87b742GitHubgithub.com/python-pillow/Pillow/releases/tag/13.0.0GitHubgithub.com/python-pillow/Pillow/security/advisories/GHSA-pchr-8j38-3x4pGitHubgithub.com/python-pillow/Pillow/security/advisories/GHSA-pchr-8j38-3x4p

How CyberStrike helps

Frequently asked questions

What is CVE-2026-112896?

CVE-2026-112896 is a high-severity vulnerability affecting python pillow. It was published on October 19, 2026 and has a CVSS 3.1 base score of 7.1 (HIGH).

How severe is CVE-2026-112896?

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-112896?

Check the references section for vendor advisories and patches from python. Update pillow to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-112896?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-112896 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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