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Vulnerabilities

Vulnerability · CVE-2026-25990

Pillow is a Python imaging library.

Published Feb 11, 2026 · catalog updated Sep 16, 2026 · Pillow

Last checked Nov 5, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-25990. EPSS is 0.41%. Act only if a listed version of Pillow is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High8.6
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.41%
Remediation
Version ranges on file
Affected products
vendor python-pillow Pillow 10.3.0, < 12.1.1

Pillow is a Python imaging library. From 10.3.0 to before 12.1.1, an out-of-bounds write may be triggered when loading a specially crafted PSD image. This vulnerability is fixed in 12.1.1.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor python-pillow Pillow 10.3.0, < 12.1.110.3.0, < 12.1.1

How to fix CVE-2026-25990

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-25990. EPSS is 0.41%. Act only if a listed version of Pillow is installed.

Which versions are affected?

Compare what you have installed with python-pillow Pillow 10.3.0, < 12.1.1 10.3.0, < 12.1.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.41%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Pillow security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

No dated events have been recorded yet.

Sources

  • CVE.orgVulnerability recordCVE-2026-25990

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-25990

    30-day exploitation probability 0.41%

    first.org
  • EUVDVulnerability recordEUVD-2026-6218

    Pillow is a Python imaging library. From 10.3.0 to before 12.1.1, an out-of-bounds write may be triggered when loading a specially crafted PSD image. This vulnerability is fixed in 12.1.1.

    euvd.enisa.europa.eu

Freshness

Last verified in this catalog Nov 5, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 5, 2026
  • CVE.orgNov 4, 2026
  • EUVDNov 2, 2026