What is CVE-2026-21690?

CVE-2026-21690 is a medium-severity vulnerability in Color Iccdev, classified under Improper Input Validation. CVSS score: 6.3/10. Published 2026-01-07.

How severe is CVE-2026-21690?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Improper input validation in Color Iccdev

CVE-2026-21690

iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of International Color Consortium (ICC) color management profiles. Versions prior to 2.3.1.2 have a Type Confusion vulnerability in `CIccTagXmlTagData::ToXml()`. This vulnerability affects users of the iccDEV library who process ICC color profiles. Version 2.3.1.2 contains a patch. No known workarounds are available.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2026-01-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.002 (12.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 12.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Color Iccdev
Internationalcolorconsortium Iccdev — versions < 2.3.1.2

Weakness classification (CWE)

References

github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-2f26-vh… (Patch, Vendor Advisory)
github.com/InternationalColorConsortium/iccDEV/issues/393 (Exploit, Issue Tracking, Vendor Advisory)
github.com/InternationalColorConsortium/iccDEV/pull/426 (Issue Tracking)

Frequently asked questions

What is CVE-2026-21690?: CVE-2026-21690 is a medium-severity vulnerability in Color Iccdev, classified under Improper Input Validation. CVSS score: 6.3/10. Published 2026-01-07.
How severe is CVE-2026-21690?: Medium severity. CVSS v3 base score is 6.3 out of 10.