| Name | CVE-2026-20691 |
| Description | An authorization issue was addressed with improved state management. This issue is fixed in Safari 26.4, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4, watchOS 26.4. A maliciously crafted webpage may be able to fingerprint the user. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| webkit2gtk (PTS) | bullseye | 2.44.2-1~deb11u1 | vulnerable |
| bullseye (security) | 2.50.4-1~deb11u1 | vulnerable |
| bookworm | 2.50.4-1~deb12u1 | vulnerable |
| bookworm (security) | 2.50.6-1~deb12u1 | vulnerable |
| trixie | 2.50.4-1~deb13u1 | vulnerable |
| trixie (security) | 2.50.6-1~deb13u1 | vulnerable |
| forky | 2.50.6-1 | vulnerable |
| sid | 2.52.0-1 | vulnerable |
| wpewebkit (PTS) | bullseye, bullseye (security) | 2.38.6-1~deb11u1 | vulnerable |
| bookworm | 2.38.6-1 | vulnerable |
| trixie | 2.48.3-1 | vulnerable |
| forky | 2.50.6-1 | vulnerable |
| sid | 2.52.1-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| webkit2gtk | source | bookworm | (unfixed) | end-of-life | | |
| webkit2gtk | source | (unstable) | 2.52.1-1 | | | |
| wpewebkit | source | bullseye | (unfixed) | end-of-life | | |
| wpewebkit | source | (unstable) | 2.52.1-1 | | | |
Notes
[bookworm] - webkit2gtk <end-of-life> (webkit2gtk >= 2.52 can no longer be backported)
[trixie] - wpewebkit <ignored> (wpewebkit not covered by security support in Trixie)
[bookworm] - wpewebkit <ignored> (wpewebkit not covered by security support in Bookworm)
[bullseye] - wpewebkit <end-of-life> (see #1035997)
https://webkitgtk.org/security/WSA-2026-0002.html