CVE-2026-23940: fallo de gravedad alta en hexpm
Denial of Service via Oversized Package Upload
Publicada el · Actualizada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
21Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 7.1epss 0.5%
Uncontrolled Resource Consumption vulnerability in hexpm hexpm/hexpm allows Excessive Allocation.
Publishing an oversized package can cause Hex.pm to run out of memory while extracting the uploaded package tarball. This can terminate the affected application instance and result in a denial of service for package publishing and potentially other package-processing functionality.
This issue affects hex.pm: before 2026-03-10.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Productos afectados
hexpm · hexpmCVEs relacionadas — hexpm
En el mismo producto, de las más peligrosas a las menos.
CVE-2026-23939MEDIUMPath Traversal in Local File Store BackendEPSS 0.5%CVE-2026-75542HIGHOAuth token exchange grants repository scopes for organizations the principal cannot accessEPSS 0.5%CVE-2026-21622CRITICALPassword Reset Tokens Do Not ExpireEPSS 0.4%CVE-2026-86698LOWRefresh tokens accepted as private repository credentials at the CDNEPSS 0.4%CVE-2026-75554LOWExplicit organization scopes survive token refresh after membership endsEPSS 0.4%CVE-2026-21621HIGHImproper Scope Enforcement in OAuth client_credentials Flow Allows Read-Only API Key to Escalate to Full AccessEPSS 0.4%
Referencias
https://cna.erlef.org/cves/CVE-2026-23940.htmlhttps://github.com/hexpm/hexpm/commit/495f01607d3eae4aed7ad09b2f54f31ec7a7df01https://github.com/hexpm/hexpm/commit/82911daf5f8fb2ab44f298e3ba22b90bc1ae3746https://github.com/hexpm/hexpm/security/advisories/GHSA-jp8w-gxf6-8hcrhttps://osv.dev/vulnerability/EEF-CVE-2026-23940