CVE-2026-70454

Publié : 13 août 2026

Modifié : 13 août 2026

Score CVSS

HIGH

Description détaillée

rsync 3.2.0 through 3.2.3 (openssl mode) and rsync-ssl through 3.4.4 (stunnel mode) contain a TLS certificate validation vulnerability that allows on-path attackers to intercept encrypted sessions by presenting self-signed or otherwise invalid certificates. Attackers can exploit the failure to validate server TLS certificates against a trusted CA or verify certificate hostname matching to decrypt or tamper with rsync session content without detection by the client.

Vecteur d'attaque (CVSS)

Vecteur brut :CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N

Références et Patchs

https://github.com/RsyncProject/rsync/releases/tag/v3.5.0 https://github.com/RsyncProject/rsync/security/advisories/GHSA-3c3x-ww2w-5r5p https://www.vulncheck.com/advisories/rsync-tls-certificate-validation-bypass-via-ssl-openssl-mode

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