CVE-2026-54264
Angular: Sensitive Header Leakage on Cross-Origin Redirects in Angular Service Worker
Description
Angular is a development platform for building mobile and desktop web applications using TypeScript/JavaScript and other languages. Prior to 22.0.1, 21.2.17, and 20.3.25, an information disclosure vulnerability exists in the @angular/service-worker package of the Angular framework. When the Service Worker fetches assets, it preserves metadata (such as headers) from the original request. However, on cross-origin redirects, the Service Worker fails to strip sensitive headers, violating the Fetch redirect algorithm. This allows a remote attacker to obtain sensitive credentials (e.g., Authorization tokens, Proxy-Authorization credentials, or session cookies) by triggering a cross-origin redirect to an untrusted external origin. This vulnerability is fixed in 22.0.1, 21.2.17, and 20.3.25.
INFO
Published Date :
June 22, 2026, 4:16 p.m.
Last Modified :
July 9, 2026, 3:40 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-54264
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | HIGH | [email protected] |
Solution
- Update @angular/service-worker to version 22.0.1.
- Update @angular/service-worker to version 21.2.17.
- Update @angular/service-worker to version 20.3.25.
Public PoC/Exploit Available at Github
CVE-2026-54264 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-54264.
| URL | Resource |
|---|---|
| https://github.com/angular/angular/commit/47d68dcb26266316647133ab6385e77fc3e5ae08 | Patch |
| https://github.com/angular/angular/pull/69029 | Issue Tracking Patch |
| https://github.com/angular/angular/security/advisories/GHSA-qxh6-94w6-9r5p | Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-54264 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-54264
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Config files for my GitHub profile.
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Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-54264 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-54264 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Reanalysis by [email protected]
Jul. 09, 2026
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:angularjs:angularjs:22.0.0:next0:*:*:*:*:*:* *cpe:2.3:a:angularjs:angularjs:22.0.0:next1:*:*:*:*:*:* *cpe:2.3:a:angularjs:angularjs:22.0.0:next10:*:*:*:*:*:* *cpe:2.3:a:angularjs:angularjs:22.0.0:next11:*:*:*:*:*:* *cpe:2.3:a:angularjs:angularjs:22.0.0:next12:*:*:*:*:*:* *cpe:2.3:a:angularjs:angularjs:22.0.0:next2:*:*:*:*:*:* *cpe:2.3:a:angularjs:angularjs:22.0.0:next3:*:*:*:*:*:* *cpe:2.3:a:angularjs:angularjs:22.0.0:next4:*:*:*:*:*:* *cpe:2.3:a:angularjs:angularjs:22.0.0:next5:*:*:*:*:*:* *cpe:2.3:a:angularjs:angularjs:22.0.0:next6:*:*:*:*:*:* *cpe:2.3:a:angularjs:angularjs:22.0.0:next7:*:*:*:*:*:* *cpe:2.3:a:angularjs:angularjs:22.0.0:next8:*:*:*:*:*:* *cpe:2.3:a:angularjs:angularjs:22.0.0:next9:*:*:*:*:*:* *cpe:2.3:a:angularjs:angularjs:22.0.0:rc0:*:*:*:*:*:* *cpe:2.3:a:angularjs:angularjs:22.0.0:rc1:*:*:*:*:*:* *cpe:2.3:a:angularjs:angularjs:*:*:*:*:*:*:*:* versions from (including) 20.0.0 up to (excluding) 20.3.25 *cpe:2.3:a:angularjs:angularjs:*:*:*:*:*:*:*:* versions from (including) 21.0.0 up to (excluding) 21.2.17 *cpe:2.3:a:angularjs:angularjs:22.0.0:rc2:*:*:*:*:*:* *cpe:2.3:a:angularjs:angularjs:22.0.0:rc3:*:*:*:*:*:* *cpe:2.3:a:angularjs:angularjs:*:*:*:*:*:*:*:* versions up to (including) 19.2.25 OR *cpe:2.3:a:angular:angular:*:*:*:*:*:node.js:*:* versions up to (including) 19.2.25 *cpe:2.3:a:angular:angular:*:*:*:*:*:node.js:*:* versions from (including) 20.0.0 up to (excluding) 20.3.25 *cpe:2.3:a:angular:angular:*:*:*:*:*:node.js:*:* versions from (including) 21.0.0 up to (excluding) 21.2.17 *cpe:2.3:a:angular:angular:*:*:*:*:*:node.js:*:* versions from (including) 22.0.0 up to (excluding) 22.0.1 -
Initial Analysis by [email protected]
Jun. 26, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Added CPE Configuration OR *cpe:2.3:a:angularjs:angularjs:22.0.0:next0:*:*:*:*:*:* *cpe:2.3:a:angularjs:angularjs:22.0.0:next1:*:*:*:*:*:* *cpe:2.3:a:angularjs:angularjs:22.0.0:next10:*:*:*:*:*:* *cpe:2.3:a:angularjs:angularjs:22.0.0:next11:*:*:*:*:*:* *cpe:2.3:a:angularjs:angularjs:22.0.0:next12:*:*:*:*:*:* *cpe:2.3:a:angularjs:angularjs:22.0.0:next2:*:*:*:*:*:* *cpe:2.3:a:angularjs:angularjs:22.0.0:next3:*:*:*:*:*:* *cpe:2.3:a:angularjs:angularjs:22.0.0:next4:*:*:*:*:*:* *cpe:2.3:a:angularjs:angularjs:22.0.0:next5:*:*:*:*:*:* *cpe:2.3:a:angularjs:angularjs:22.0.0:next6:*:*:*:*:*:* *cpe:2.3:a:angularjs:angularjs:22.0.0:next7:*:*:*:*:*:* *cpe:2.3:a:angularjs:angularjs:22.0.0:next8:*:*:*:*:*:* *cpe:2.3:a:angularjs:angularjs:22.0.0:next9:*:*:*:*:*:* *cpe:2.3:a:angularjs:angularjs:22.0.0:rc0:*:*:*:*:*:* *cpe:2.3:a:angularjs:angularjs:22.0.0:rc1:*:*:*:*:*:* *cpe:2.3:a:angularjs:angularjs:*:*:*:*:*:*:*:* versions from (including) 20.0.0 up to (excluding) 20.3.25 *cpe:2.3:a:angularjs:angularjs:*:*:*:*:*:*:*:* versions from (including) 21.0.0 up to (excluding) 21.2.17 *cpe:2.3:a:angularjs:angularjs:22.0.0:rc2:*:*:*:*:*:* *cpe:2.3:a:angularjs:angularjs:22.0.0:rc3:*:*:*:*:*:* *cpe:2.3:a:angularjs:angularjs:*:*:*:*:*:*:*:* versions up to (including) 19.2.25 Added Reference Type GitHub, Inc.: https://github.com/angular/angular/commit/47d68dcb26266316647133ab6385e77fc3e5ae08 Types: Patch Added Reference Type GitHub, Inc.: https://github.com/angular/angular/pull/69029 Types: Issue Tracking, Patch Added Reference Type GitHub, Inc.: https://github.com/angular/angular/security/advisories/GHSA-qxh6-94w6-9r5p Types: Third Party Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 23, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-54264', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-06-23T13:46:15.588316Z'} -
New CVE Received by [email protected]
Jun. 22, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'angular', 'product': 'angular', 'versions': [{'status': 'affected', 'version': '>= 22.0.0-next.0 < 22.0.1'}, {'status': 'affected', 'version': '>= 21.0.0-next.0 < 21.2.17'}, {'status': 'affected', 'version': '>= 20.0.0-next.0 < 20.3.25'}, {'status': 'affected', 'version': '<= 19.2.25'}]}] Added Description Angular is a development platform for building mobile and desktop web applications using TypeScript/JavaScript and other languages. Prior to 22.0.1, 21.2.17, and 20.3.25, an information disclosure vulnerability exists in the @angular/service-worker package of the Angular framework. When the Service Worker fetches assets, it preserves metadata (such as headers) from the original request. However, on cross-origin redirects, the Service Worker fails to strip sensitive headers, violating the Fetch redirect algorithm. This allows a remote attacker to obtain sensitive credentials (e.g., Authorization tokens, Proxy-Authorization credentials, or session cookies) by triggering a cross-origin redirect to an untrusted external origin. This vulnerability is fixed in 22.0.1, 21.2.17, and 20.3.25. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CWE CWE-200 Added CWE CWE-359 Added Reference https://github.com/angular/angular/commit/47d68dcb26266316647133ab6385e77fc3e5ae08 Added Reference https://github.com/angular/angular/pull/69029 Added Reference https://github.com/angular/angular/security/advisories/GHSA-qxh6-94w6-9r5p