Mercure is a protocol for pushing data updates to web browsers and other HTTP clients in a battery-efficient way. Prior to 0.22.0, a cache key collision vulnerability in TopicSelectorStore allows an attacker to poison the match result cache…
Exact source revision recorded 25 Oct 2026 09:17:24 UTC. It does not establish the source's current position. Latest evidence.
nvd · CVE-2026-39972
PublishedNVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.
Source analysis status: Deferred
Weakness classifications: CWE-1289
Original publisher date fields
published: 2026-04-09T17:16:30.770
lastModified: 2026-06-17T10:42:50.253
No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.
Original source record · Cite this exact observation · Complete original publisher JSON