Vulnerability · Published Mar 25, 2026 · Assigned by apple
CVE-2026-28861
Medium 4.3
In plain English
A medium-severity cross-site scripting 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 25% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.3%top 74.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A logic issue was addressed with improved state management. This issue is fixed in Safari 26.4, iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4. A malicious website may be able to access script message handlers intended for other origins.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | webkit2gtk | no fix listed | DEBIAN-CVE-2026-28861 |
| Debian:13 | webkit2gtk | 2.52.3-2~deb13u1 | DEBIAN-CVE-2026-28861 |
| Debian:14 | webkit2gtk | 2.52.1-1 | DEBIAN-CVE-2026-28861 |
| Debian:12 | wpewebkit | no fix listed | DEBIAN-CVE-2026-28861 |
| Debian:13 | wpewebkit | no fix listed | DEBIAN-CVE-2026-28861 |
| Debian:14 | wpewebkit | 2.52.1-1 | DEBIAN-CVE-2026-28861 |
| Ubuntu:22.04:LTS | qtwebkit-opensource-src | no fix listed | UBUNTU-CVE-2026-28861 |
| Ubuntu:24.04:LTS | qtwebkit-opensource-src | no fix listed | UBUNTU-CVE-2026-28861 |
| Ubuntu:22.04:LTS | webkit2gtk | no fix listed | UBUNTU-CVE-2026-28861 |
| Ubuntu:24.04:LTS | webkit2gtk | 2.52.3-0ubuntu0.24.04.1 | UBUNTU-CVE-2026-28861 |
| Ubuntu:25.10 | webkit2gtk | 2.52.3-0ubuntu0.25.10.1 | UBUNTU-CVE-2026-28861 |
| Ubuntu:26.04:LTS | webkit2gtk | 2.52.3-0ubuntu0.26.04.2 | UBUNTU-CVE-2026-28861 |
| Ubuntu:22.04:LTS | wpewebkit | no fix listed | UBUNTU-CVE-2026-28861 |
Affected products (as reported)
Weakness: CWE-79, CWE-346 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
References
- https://support.apple.com/en-us/126792
- https://support.apple.com/en-us/126793
- https://support.apple.com/en-us/126794
- https://support.apple.com/en-us/126799
- https://support.apple.com/en-us/126800
- https://access.redhat.com/security/cve/CVE-2026-28861 vdb-entry, x_refsource_REDHAT
- RHBZ#2453007 issue-tracking, x_refsource_REDHAT
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-28861.json x_sadp-csaf-vex