CVE-2026-70456
An attacker can exploit multiple vulnerabilities in Rsync to escalate privileges, execute arbitrary code, disclose or manipulate data, bypass security measures or trigger Denial-of-Service conditions.
CSIRTS triage
- What
- Multiple vulnerabilities in Rsync allow attackers to escalate privileges, execute arbitrary code, disclose or manipulate data, bypass security measures, or trigger denial-of-service conditions.
- Who is affected
- All Rsync deployments are affected.
- Urgency
- High urgency; unpatched Rsync instances are vulnerable to multiple attack vectors including privilege escalation and arbitrary code execution.
- Action
- Apply available patches for Rsync immediately.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.40% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 32% of all EPSS-scored CVEs.
Advisory coverage (3)
- high[NEW] [high] Rsync: Multiple vulnerabilitiescert-bund · 2026-08-21
- highCVE-2026-70456: rsync 3.0.1 before 3.5.0 contains an out-of-bounds write vulnerability in the read_args() func…nvd · 2026-08-13
- highCVE-2026-70456: rsync 3.0.1 < 3.5.0 Heap Out-of-Bounds Write via read_args()msrc · 2026-08-11
External references
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