CVE-2026-60094 Vinchin Backup & Recovery 9.0.0.86562 Heap Buffer Overflow via agentlink_server
Unauthenticated remote attackers can cause denial of service or potential code execution via heap buffer overflow in Vinchin Backup & Recovery agentlink_server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-60094?
CVE-2026-60094 is a medium-severity memory corruption vulnerability in Vinchin Backup & Recovery 9.0, published on 9 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Vinchin Backup & Recovery through 9.0.0.86562 contains a heap buffer overflow vulnerability that allows unauthenticated remote attackers to cause process crash or memory corruption by sending a malformed TCP packet with an unchecked body_len field to the agentlink_server service. Attackers can craft a malicious packet that passes an attacker-controlled length directly to recv(), triggering a heap overflow of up to approximately 4 GiB and resulting in process crash or potential memory corruption.
Weakness: CWE-787
Which versions are affected by CVE-2026-60094?
How do I fix CVE-2026-60094?
No fix has been published for CVE-2026-60094 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-60094 being exploited?
There is no known exploitation of CVE-2026-60094 in the wild and no public exploit code.
Sources
Also known as GHSA-m3jh-5jc7-f446.