Improper input validation in A2ui
CVE-2026-118537
A vulnerability was found in a2ui up to 0.10.4. This vulnerability affects unknown code of the file src/v0_9/basic_catalog/components/Image.js of the component Image Player/Video Player/Audio Player. Performing a manipulation of the argument url results in improper input validation. The attack may be initiated remotely. The pull request to fix this issue awaits acceptance.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- A2ui — versions 0.10.0, 0.10.1, 0.10.2
Weakness classification (CWE)
References
- vuldb.com/vuln/428014 (technical-description, vdb-entry)
- vuldb.com/vuln/428014/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-118537 (third-party-advisory)
- vuldb.com/submit/1020092 (third-party-advisory)
- github.com/a2ui-project/a2ui/issues/3077 (issue-tracking)
- github.com/a2ui-project/a2ui/pull/3108 (issue-tracking, patch)
Frequently asked questions
- What is CVE-2026-118537?
- CVE-2026-118537 is a medium-severity vulnerability in A2ui, classified under Improper Input Validation. CVSS score: 4.3/10. Published 2026-10-28.
- How severe is CVE-2026-118537?
- Medium severity. CVSS v3 base score is 4.3 out of 10.