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bdu:2026-07241

certfr-2026-avi-0349 — De multiples vulnérabilités ont été découvertes dans les produits Ruby on Rails. Certaines d'entre elles permettent à u…

certfr-2026-avi-0349

EUVD-2026-277103

fkie_cve-2026-33168

Action View provides conventions and helpers for building web pages with the Rails framework. Prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1, when a blank string is used as an HTML attribute name in Action View tag helpers, the attribute escaping is bypassed, producing malformed HTML. A carefully crafted attribute value could then be misinterpreted by the browser as a separate attribute name, possibly leading to XSS. Applications that allow users to specify custom HTML attributes are affected. Versions 8.1.2.1, 8.0.4.1, and 7.2.3.1 contain a patch.

GHSA-v55j-83pf-r9cq — Rails has a possible XSS vulnerability in its Action View tag helpers

Affected: RubyGems: actionview

### Impact When a blank string is used as an HTML attribute name in Action View tag helpers, the attribute escaping is bypassed, producing malformed HTML. A carefully crafted attribute value could then be misinterpreted by the browser as a separate attribute name, possibly leading to XSS. Applications that allow users to specify custom HTML attributes are affected.

### Releases The fixed releases are available at the normal locations.

### Credit This issue was responsibly reported by Hackerone researcher [taise](https://hackerone.com/taise).

UBUNTU-CVE-2026-33168

Affected: Ubuntu:Pro:16.04:LTS: rails, Ubuntu:Pro:18.04:LTS: rails, Ubuntu:Pro:20.04:LTS: rails, Ubuntu:Pro:22.04:LTS: rails, Ubuntu:24.04:LTS: rails, Ubuntu:25.10: rails, Ubuntu:26.04:LTS: rails

WID-SEC-W-2026-0833 — Ruby on Rails: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen in Ruby on Rails ausnutzen, um einen Denial of Service Angriff durchzuführen, um Dateien zu manipulieren, und um einen Cross-Site Scripting Angriff durchzuführen.