Vulnerability · Published May 11, 2026 · Assigned by apple
CVE-2026-28907
High 8.1
In plain English
A high-severity improper input validation in iOS and iPadOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
The issue was addressed with improved input validation. This issue is fixed in Safari 26.5, iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may prevent Content Security Policy from being enforced.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | webkit2gtk3 | 2.52.4-1.el8_10 | ALSA-2026:25918 |
| AlmaLinux:9 | webkit2gtk3 | 2.52.4-1.el9_8 | ALSA-2026:25927 |
| AlmaLinux:8 | webkit2gtk3-devel | 2.52.4-1.el8_10 | ALSA-2026:25918 |
| AlmaLinux:9 | webkit2gtk3-devel | 2.52.4-1.el9_8 | ALSA-2026:25927 |
| AlmaLinux:8 | webkit2gtk3-jsc | 2.52.4-1.el8_10 | ALSA-2026:25918 |
| AlmaLinux:9 | webkit2gtk3-jsc | 2.52.4-1.el9_8 | ALSA-2026:25927 |
| AlmaLinux:8 | webkit2gtk3-jsc-devel | 2.52.4-1.el8_10 | ALSA-2026:25918 |
| AlmaLinux:9 | webkit2gtk3-jsc-devel | 2.52.4-1.el9_8 | ALSA-2026:25927 |
| Debian:12 | webkit2gtk | no fix listed | DEBIAN-CVE-2026-28907 |
| Debian:13 | webkit2gtk | 2.52.5-1~deb13u1 | DEBIAN-CVE-2026-28907 |
| Debian:14 | webkit2gtk | 2.52.4-1 | DEBIAN-CVE-2026-28907 |
| Debian:12 | wpewebkit | no fix listed | DEBIAN-CVE-2026-28907 |
| Debian:13 | wpewebkit | no fix listed | DEBIAN-CVE-2026-28907 |
| Debian:14 | wpewebkit | 2.52.4-1 | DEBIAN-CVE-2026-28907 |
| Rocky Linux:8 | webkit2gtk3 | 0:2.52.4-1.el8_10 | RLSA-2026:25918 |
| Rocky Linux:9 | webkit2gtk3 | 0:2.52.4-1.el9_8 | RLSA-2026:25927 |
| Ubuntu:22.04:LTS | qtwebkit-opensource-src | no fix listed | UBUNTU-CVE-2026-28907 |
| Ubuntu:24.04:LTS | qtwebkit-opensource-src | no fix listed | UBUNTU-CVE-2026-28907 |
| Ubuntu:22.04:LTS | webkit2gtk | no fix listed | UBUNTU-CVE-2026-28907 |
| Ubuntu:24.04:LTS | webkit2gtk | 2.52.6-0ubuntu0.24.04.1 | USN-8703-1 |
| Ubuntu:24.04:LTS | webkit2gtk | 2.52.6-0ubuntu0.24.04.1 | UBUNTU-CVE-2026-28907 |
| Ubuntu:26.04:LTS | webkit2gtk | 2.52.6-0ubuntu0.26.04.1 | USN-8703-1 |
| Ubuntu:26.04:LTS | webkit2gtk | 2.52.6-0ubuntu0.26.04.1 | UBUNTU-CVE-2026-28907 |
| Ubuntu:22.04:LTS | wpewebkit | no fix listed | UBUNTU-CVE-2026-28907 |
Affected products (as reported)
Weakness: CWE-116, CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N