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TI-2026-60079 Aliases CVE-2026-88059GHSA-p297-fm68-3q8c

Angular: Information Leak via `HttpTransferCache` Bypass When Using `withRequestsMadeViaParent`

Priority LOW 26CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
Partial Red Hat: 10 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-200.

Summary

Angular is a development platform for building mobile and desktop web applications using TypeScript/JavaScript and other languages. Prior to 20.3.28, 21.2.20, and 22.1.1, Angular's @angular/common HttpTransferCache can cache an authenticated response when Server-Side Rendering (SSR) and hydration use a hierarchical HttpClient configured with withRequestsMadeViaParent. The child TransferCache evaluates an initially anonymous request before delegation, then a parent withInterceptors chain adds an Authorization header, cookie, or API token; although the parent cache skips the authenticated request, the child still stores the private response in TransferState serialized as JSON in the ng-state script. Exploitation requires provideClientHydration, child provideHttpClient delegation through withRequestsMadeViaParent, parent-level credential injection, and an SSR HTML response shared across users by a CDN, reverse proxy, or application cache. A later unauthenticated or unauthorized visitor can receive the cached HTML containing the earlier authenticated user's sensitive response data. Applications can mitigate by attaching credentials at the child, filtering sensitive endpoints with withHttpTransferCacheOptions, disabling transfer caching for sensitive routes, or marking personalized HTML private or no-store. This issue is fixed in versions 20.3.28, 21.2.20, and 22.1.1.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00339 27th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial angular (angular): 20.3.28, 21.2.20, 22.1.1@angular/common (npm): 22.1.1, 21.2.20, 20.3.28Red Hat: 10 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
angularangularup to 19.2.25; 20.0.0 to before 20.3.28; 21.0.0 to before 21.2.20; 22.0.0 to before 22.1.120.3.28, 21.2.20, 22.1.1Patch availableCNA
—@angular/common (npm)22.0.0 to before 22.1.122.1.1Patch availableGHSA-p297-fm68-3q8c
—@angular/common (npm)21.0.0 to before 21.2.2021.2.20Patch availableGHSA-p297-fm68-3q8c
—@angular/common (npm)20.0.0 to before 20.3.2820.3.28Patch availableGHSA-p297-fm68-3q8c
—@angular/common (npm)up to 19.2.25—No fix listedGHSA-p297-fm68-3q8c
  • angular Vendorangular Affected up to 19.2.25; 20.0.0 to before 20.3.28; 21.0.0 to before 21.2.20; 22.0.0 to before 22.1.1 Fixed in 20.3.28, 21.2.20, 22.1.1 Patch available CNA
  • @angular/common (npm) Vendor— Affected 22.0.0 to before 22.1.1 Fixed in 22.1.1 Patch available GHSA-p297-fm68-3q8c
  • @angular/common (npm) Vendor— Affected 21.0.0 to before 21.2.20 Fixed in 21.2.20 Patch available GHSA-p297-fm68-3q8c
  • @angular/common (npm) Vendor— Affected 20.0.0 to before 20.3.28 Fixed in 20.3.28 Patch available GHSA-p297-fm68-3q8c
  • @angular/common (npm) Vendor— Affected up to 19.2.25 Fixed in — No fix listed GHSA-p297-fm68-3q8c

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:angular:angular:*:*:*:*:*:node.js:*:*19.0.0 – 19.2.25; 20.0.0 to before 20.3.28; 21.0.0 to before 21.2.20; 22.0.0 to before 22.1.1Vulnerableangular
  • cpe:2.3:a:angular:angular:*:*:*:*:*:node.js:*:* Versions 19.0.0 – 19.2.25; 20.0.0 to before 20.3.28; 21.0.0 to before 21.2.20; 22.0.0 to before 22.1.1 Vulnerable ·angular

Remediation

  • Fix · CNA angular (angular) Fixed in 20.3.28, 21.2.20, 22.1.1
  • Fix · GHSA-p297-fm68-3q8c @angular/common (npm) Fixed in 22.1.1 Advisory →
  • Fix · GHSA-p297-fm68-3q8c @angular/common (npm) Fixed in 21.2.20 Advisory →
  • Fix · GHSA-p297-fm68-3q8c @angular/common (npm) Fixed in 20.3.28 Advisory →

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
A-MQ Interconnect 1AffectedNo fix planned: Out of support scope
Red Hat Ceph Storage 4AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 10AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 7AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 8AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 9AffectedNo fix yet: Fix deferred
Red Hat Fuse 7AffectedNo fix planned: Out of support scope
Red Hat OpenStack Platform 16.2AffectedNo fix planned: Out of support scope
Red Hat Quay 3AffectedNo fix yet: Fix deferred
Red Hat Single Sign-On 7AffectedNo fix planned: Out of support scope

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-88059
  2. 2026-10-03 Alias added: GHSA-p297-fm68-3q8c

References

Exploit 1

Patch 5

Other 4

  • TI-2026-60076 Angular: SSRF and Cross-Origin Credential Disclosure via URL Resolution Discrepancy in SSR CVSS 4.0HIGH 8.6
  • TI-2026-60080 Angular: SSR XSS via Unescaped <template> Content Across DocumentFragment Boundaries in Fallback Raw-Content Elements CVSS 4.0HIGH 8.6
  • TI-2026-60078 Angular: SSR XSS via Unescaped Processing Instruction (<?...?>) Nodes in Fallback Raw-Content Elements CVSS 4.0HIGH 8.6
  • TI-2025-37971 A reflected cross-site scripting (XSS) vulnerability in CKeditor v46.1.0 & Angular… CVSS 3.1MEDIUM 5.4
  • TI-2026-36931 Angular: URL Parser Differential in @angular/platform-server leading to SSRF Allowlist Bypass CVSS 4.0HIGH 8.8
  • TI-2026-34131 Angular: SSRF via Hostname Hijacking in @angular/platform-server CVSS 4.0HIGH 8.8
See all 28 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences