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CVE-2026-18661

HIGH
8.8
CVSS Score
Published: October 15, 2026 at 09:01 AM UTC
Updated: October 15, 2026 at 02:41 PM UTC
1 product affected across 1 vendorJetty

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Severity
HIGH8.8
Exploit prediction
EPSS 0.4%
SSVC
PoC

Description

In Eclipse Jetty, across various versions of `jetty-annotations`, and `jetty-eeN-annotations`, the Jakarta Spec authoritative url-pattern rules for mixed `@ServletSecurity` annotation, and `web.xml` defined `security-constraint` on the same `url-pattern` were not being applied if the `web.xml` had more than 1 `url-pattern` for a servlet, and had a `security-constraint` applying to only some of those `url-pattern` definitions.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Jetty· Eclipsemaven
96%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Source: cverecord
https://github.com/jetty/jetty.project/security/advisories/GHSA-v6xf-996f-c35f
Source: cverecord
https://gitlab.eclipse.org/security/cve-assignment/-/work_items/211

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHeclipse
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-863

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