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onyx --cves cve-2026-59205

CVE-2026-59205

HIGHPOCPython (CPython)
score
2.6
cvss
7.5
epss
0.4%
published
2026-07-14
kev added
—
first seen

Pillow < 12.3.0 contains a heap corruption vulnerability caused by supplying an output image with a mode that does not match the transform's declared output mode in ImageCms.ImageCmsTransform.apply, letting attackers trigger native heap corruption, exploit requires crafted input image.

Timeline

How this CVE moved toward exploitation. Chart: last 30 days — trend score, EPSS, community mentions per day; hover the event lane.

events2026-07-14 — PublishedP2026-10-21 — Tracked by OnyxT2026-10-21 — Public PoCXscore2026-10-21: score 2.62.6epss2026-09-22: epss 0.4%2026-09-23: epss 0.4%2026-09-24: epss 0.7%2026-09-25: epss 0.7%2026-09-26: epss 0.7%2026-09-27: epss 0.7%2026-09-29: epss 0.7%2026-09-30: epss 0.7%2026-10-01: epss 0.7%2026-10-02: epss 0.4%2026-10-03: epss 0.4%2026-10-04: epss 0.4%2026-10-05: epss 0.4%2026-10-06: epss 0.4%2026-10-07: epss 0.4%2026-10-08: epss 0.4%2026-10-09: epss 0.4%2026-10-10: epss 0.4%2026-10-11: epss 0.4%2026-10-12: epss 0.4%2026-10-13: epss 0.4%2026-10-14: epss 0.4%2026-10-15: epss 0.4%2026-10-16: epss 0.4%2026-10-18: epss 0.4%2026-10-19: epss 0.4%2026-10-20: epss 0.4%2026-10-21: epss 0.4%0.4%mentions/day0no mentions in 30 days2026-09-22today
  1. Published
  2. Tracked by Onyx
  3. Public PoC

Exploit availability

Public PoC flagged by vulnx; no direct exploit link among the citations.

Weaknesses

CWE-787

References 4