---
title: "CVE-2026-101896: Angular - Denial of Service"
description: "Angular < 20.3.32, 21.2.24, and 22.2.0 contains a denial of service caused by numeric matrix and outlet parameters in URL parser leading to excessive heap consumption during server-side rendering, letting unauthenticated attackers exhaust Node.js heap, exploit requires SSR enabled and specific proxy configurations."
url: https://panop.io/threat-heartbeat/CVE-2026-101896/
---

# CVE-2026-101896 Angular - Denial of Service

Angular < 20.3.32, 21.2.24, and 22.2.0 contains a denial of service caused by numeric matrix and outlet parameters in URL parser leading to excessive heap consumption during server-side rendering, letting unauthenticated attackers exhaust Node.js heap, exploit requires SSR enabled and specific proxy configurations.

CVSS base score 8.2 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-101896)

## Details

Type

Denial of Service

Impact

Denial Of Service

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/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

Published

14 October 2026

Updated

15 October 2026

Weakness

[CWE-400](https://cwe.mitre.org/data/definitions/400.html)

## Vendor fix

Update to versions 20.3.32, 21.2.24, or 22.2.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-101896](https://nvd.nist.gov/vuln/detail/CVE-2026-101896)
- [https://github.com/angular/angular/commit/03872a80bcf1c89b2b04cdd3f444b2ee954da583](https://github.com/angular/angular/commit/03872a80bcf1c89b2b04cdd3f444b2ee954da583)
- [https://github.com/angular/angular/releases/tag/v20.3.32](https://github.com/angular/angular/releases/tag/v20.3.32)
- [https://github.com/angular/angular/releases/tag/v21.2.24](https://github.com/angular/angular/releases/tag/v21.2.24)
- [https://github.com/angular/angular/commit/5af61216eab8bf4a6697a1d79bda3d857c06f89d](https://github.com/angular/angular/commit/5af61216eab8bf4a6697a1d79bda3d857c06f89d)
- [https://github.com/angular/angular/commit/ddfe21072ba32ca4cd9d7d3c6b7df66af81d58c4](https://github.com/angular/angular/commit/ddfe21072ba32ca4cd9d7d3c6b7df66af81d58c4)
- [https://github.com/angular/angular/issues/70716](https://github.com/angular/angular/issues/70716)
- [https://github.com/angular/angular/pull/70717](https://github.com/angular/angular/pull/70717)
- [https://github.com/angular/angular/releases/tag/v22.2.0](https://github.com/angular/angular/releases/tag/v22.2.0)
- [https://github.com/angular/angular/security/advisories/GHSA-ff3f-86qr-9cv3](https://github.com/angular/angular/security/advisories/GHSA-ff3f-86qr-9cv3)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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