CVE-2026-42945

Publication date 14 May 2026

Last updated 14 May 2026

Ubuntu priority

Why this priority?

Cvss 3 Severity Score

Score breakdown

Description

NGINX ngx_http_rewrite_module vulnerability

Why is this CVE high priority?

Possible remote code execution issue

Learn more about Ubuntu priority

Status

Show unmaintained releases

Package	Ubuntu Release	Status
nginx	26.04 LTS resolute	Fixed 1.28.3-2ubuntu1.1
	25.10 questing	Fixed 1.28.0-6ubuntu1.3
	24.04 LTS noble	Fixed 1.24.0-2ubuntu7.8
	22.04 LTS jammy	Fixed 1.18.0-6ubuntu14.11
	20.04 LTS focal	Needs evaluation
	18.04 LTS bionic	Needs evaluation
	16.04 LTS xenial	Needs evaluation
	14.04 LTS trusty	Needs evaluation

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
nginx	Upstream: 524977e

Severity score breakdown

Parameter	Value
Base score	8.1 · High
Attack vector	Network
Attack complexity	High
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-8271-1
nginx vulnerability
14 May 2026

Other references

Access our resources on patching vulnerabilities