CVE-2026-43619
mediumpriority · track · 0EPSS 0.001 · 3 %ileDEEUUSEPSS · scored 2026-10-27
Rsync version 3.4.2 and prior contain symlink race condition vulnerabilities in path-based system calls including chmod, lchown, utimes, rename, unlink, mkdir, symlink, mknod, link, rmdir, and lstat that allow local attackers to redirect operations to files outside the exported rsync module. Attackers with local filesystem access can exploit the timing window between path resolution and syscall execution by swapping symlinks to apply sender-supplied permissions, ownership, timestamps, or filenames to arbitrary files outside the intended module boundary on rsync daemons configured with 'use chroot = no'.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.1–7.2
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (16)
Products and version ranges known to be affected.
- Red Hat OpenShift Container Platformall versionscert_bundDEcpe:/a:redhat:openshift:container_platform
advisories (3)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-1611Rsync: Mehrere SchwachstellenDeutsch2026-05-19csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Rsync ausnutzen, um seine Privilegien zu erhöhen, um Informationen offenzulegen, um Sicherheitsvorkehrungen zu umgehen, und um einen Denial of Service Angriff durchzuführen.
- WID-SEC-W-2026-2455Oracle Solaris Drittanbieterkomponenten: Mehrere SchwachstellenDeutsch2026-07-21csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in verschiedenen Komponenten von Drittanbietern in Oracle Solaris ausnutzen, um einen nicht näher spezifizierten Angriff durchzuführen.
- WID-SEC-W-2026-2817Rsync: Mehrere SchwachstellenDeutsch2026-08-12csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Rsync ausnutzen, um seine Privilegien zu erhöhen, beliebigen Code auszuführen, Daten offenzulegen oder zu manipulieren, Sicherheitsmaßnahmen zu umgehen oder Denial-of-Service-Zustände herbeizuführen.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (9)
External citations — patches, advisories, analysis.
- https://github.com/RsyncProject/rsync/releases/Patchcnnvd
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-43619cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2026-43619cnnvd
- https://github.com/RsyncProject/rsync/releases/tag/v3.4.3enisa_euvd
- https://github.com/RsyncProject/rsync/security/advisories/GHSA-4h9m-w5ff-j735enisa_euvd
- https://www.vulncheck.com/advisories/rsync-symlink-race-condition-via-path-based-syscallsenisa_euvd
- https://github.com/RsyncProject/rsync/releases/tag/v3.4.3Release Notesnvd
- https://github.com/RsyncProject/rsync/security/advisories/GHSA-4h9m-w5ff-j735Vendor Advisorynvd
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