CVE-2026-102467: high-severity vulnerability in Eclipse Vert.x
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.7epss 0.3%
In Eclipse Vert.x versions [4.0.0, 4.5.34] or [5.0.0,5.0.12] or [5.1.0,5.1.9] or [5.2.0, 5.2.0], the WebSocket implementation does not define a maximum number of bytes allocation when decompressing frames or messages. This can be used to implement DDOS attacks with a zip bomb.
The impacted component is io.vertx:vertx-core.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Affected products
Eclipse Foundation · Eclipse Vert.xRelated CVEs — Eclipse Vert.x
In the same product, most dangerous first.
CVE-2026-118487HIGHHeap exhaustion via unbounded line accumulation in Vert.x STOMP FrameParserEPSS 0.7%CVE-2024-8391MEDIUMEclipse Vert.x gRPC server does not limit the maximum message sizeEPSS 0.6%CVE-2026-102469CRITICALCVE-2026-102469EPSS 0.5%CVE-2026-118488MEDIUMHeap exhaustion via unbounded simple string or bulk string allocation in Vert.x Redis clientEPSS 0.4%CVE-2026-102461HIGHCVE-2026-102461EPSS 0.4%CVE-2026-118489HIGHCachingWebClient shares user-specific HTTP responses across users via the shared cache tierEPSS 0.3%