Angular compiler core up to 20.3.26/21.2.18/22.0.0 I18n Pipeline code injection

Summaryinfo

A vulnerability marked as critical has been reported in Angular compiler core up to 20.3.26/21.2.18/22.0.0. Affected by this vulnerability is an unknown functionality of the component I18n Pipeline. This manipulation causes code injection. This vulnerability is tracked as CVE-2026-69151. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability has been found in Angular compiler core up to 20.3.26/21.2.18/22.0.0 and classified as critical. Affected by this vulnerability is an unknown code of the component I18n Pipeline. The manipulation with an unknown input leads to a code injection vulnerability. The CWE definition for the vulnerability is CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Angular is a development platform for building mobile and desktop web applications using TypeScript/JavaScript and other languages. Prior to 20.3.27, 21.2.19, and 22.0.1, the Angular compiler i18n pipeline permits i18n-onerror and other i18n-on event-handler attributes, allowing a lower-trust translation file to replace a static handler with executable JavaScript. This issue is fixed in versions 20.3.27, 21.2.19, and 22.0.1.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-69151 since 08/03/2026. The exploitation appears to be easy. The attack can be launched remotely. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

Upgrading to version 20.3.27, 21.2.19 or 22.0.1 eliminates this vulnerability.

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Productinfo

Type

• JavaScript Library

Vendor

• Angular

Name

• compiler core

Version

• 20.3.0
• 20.3.1
• 20.3.2
• 20.3.3
• 20.3.4
• 20.3.5
• 20.3.6
• 20.3.7
• 20.3.8
• 20.3.9
• 20.3.10
• 20.3.11
• 20.3.12
• 20.3.13
• 20.3.14
• 20.3.15
• 20.3.16
• 20.3.17
• 20.3.18
• 20.3.19
• 20.3.20
• 20.3.21
• 20.3.22
• 20.3.23
• 20.3.24
• 20.3.25
• 20.3.26
• 21.2.0
• 21.2.1
• 21.2.2
• 21.2.3
• 21.2.4
• 21.2.5
• 21.2.6
• 21.2.7
• 21.2.8
• 21.2.9
• 21.2.10
• 21.2.11
• 21.2.12
• 21.2.13
• 21.2.14
• 21.2.15
• 21.2.16
• 21.2.17
• 21.2.18
• 22.0

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CPE 2.2info

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