CVE-2026-50178: The Angular Language Service VS Code Extension provides a rich editing experience for Angular templates

Q: How do I fix CVE-2026-50178?

angular language service: upgrade to 21.2.4. Exact commands for each OS are on this page.

Q: Is CVE-2026-50178 being exploited?

CVE-2026-50178 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-50178 affect?

CVE-2026-50178 affects angular language service. Severity is high (CVSS 8.8). The Angular Language Service VS Code Extension provides a rich editing experience for Angular templates. the client-side Angular Language Service VS Code extension configures the tooltip Markdown renderer with the isTrusted: true option (lo

This month

HIGH 8.8UPGRADE

CVE-2026-50178 is a high-severity flaw (CVSS 8.8) affecting angular language service. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Angular Language Service VS Code Extension provides a rich editing experience for Angular templates. the client-side Angular Language Service VS Code extension configures the tooltip Markdown renderer with the isTrusted: true option (located in client/src/client.ts). This setting instructs VS Code to trust all rendered content it receives, which enables active elements such as command: URIs. However, the background Angular Language Server pro

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.5% (top 57%)
CISA exploited list	No
Weakness	CWE-79, CWE-94
Published	2026-06-22
Last modified	2026-06-26

Publisher (CNA): GitHub, Inc. · Vendor: angular

Last updated 2026-06-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-22 16:16 UTCPublished CVE record published
2026-06-26 02:57 UTCUpdated Record last modified

angular angular language service UPGRADE

Affected: < 21.2.4

Fixed in: 21.2.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy angular-language-service || rpm -q angular-language-service || angular-language-service --version

2. UPGRADE to 21.2.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade angular-language-service

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade angular-language-service

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-50178?

angular language service: upgrade to 21.2.4. Exact commands for each OS are on this page.

Is CVE-2026-50178 being exploited?

CVE-2026-50178 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-50178 affect?

CVE-2026-50178 affects angular language service. Severity is high (CVSS 8.8). The Angular Language Service VS Code Extension provides a rich editing experience for Angular templates. the client-side Angular Language Service VS Code extension configures the tooltip Markdown renderer with the isTrusted: true option (lo

How urgent is CVE-2026-50178?

Priority 41/100. High severity

Software pages

Angular vulnerabilities

Related CVEs

CVE-2026-49241 HIGH 8.8 UPGRADE The Angular Language Service VS Code Extension provides a rich editing experience for Angular templates

References

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