CVE-2026-259907.3HighCWE-787

CVE-2026-25990: Pillow has an out-of-bounds write when loading PSD images

python-pillow · Pillow

Fixed in 12.1.1 · Affected: python-pillow Pillow before 12.1.1 · Exploitation: unlikely (under 1%)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

0.4%probability of exploitation in the next 30 days

35th percentile

050100

Higher than 35% of scored CVEs

7.3HighCVSS 3.1

LowMediumHighCrit.

DescriptionCVE.org

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.

Affected products1

From the CVE record. A product or version that is not listed is unknown, not unaffected.

python-pillow · Pillow>= 10.3.0, < 12.1.1

On the Atlas

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Open the Atlas

Exploitation: Unlikely (under 1%). EPSS under 1%, or no score yet.
CISA KEV: Not listed
Public check: No public nuclei template
Weakness: Out-of-bounds Write · Memory Corruption
Vendor: python-pillow
Published: February 2026
Band: Unlikely (under 1%), February 2026

CoverageNo articles yet

No CyberSIXT article names CVE-2026-25990 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.

References

14 more references are in the CVE record.