Vulnerabilities

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Weakness (CWE) CWE-1289 Improper Validation of Unsafe Equivalence in Input 1

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TI-2026-28828 CVE-2026-39972 · GHSA-hwr4-mq23-wcv5

Priority LOW 31

Mercure is a protocol for pushing data updates to web browsers and other HTTP clients in a battery-efficient way.

CVSS 4.0HIGH 7.1· Network · Low privileges · No interaction · EPSS 0.00324 · Published 2026-04-09 · Fixed in 0.22.0 CWE-1289

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