CVE-2026-60095 Vinchin Backup & Recovery 9.0.0.86562 Stack Buffer Overflow via ModuleHandShake
Unauthenticated remote attackers can trigger a stack buffer overflow in Vinchin Backup & Recovery via the ModuleHandShake function, potentially achieving code execution or crashing the service.
- 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-2026-60095?
CVE-2026-60095 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 stack buffer overflow vulnerability in the ModuleHandShake function of the agentlink_server service that allows unauthenticated remote attackers to overwrite the saved return address by supplying an oversized _listen_uuid field that is measured via strlen() and copied without bounds checking into a fixed-length stack buffer using strcpy(). Attackers can send a crafted request with a malicious _listen_uuid value to corrupt the stack and achieve process crash or potential control flow hijack without requiring authentication.
Weakness: CWE-121
Which versions are affected by CVE-2026-60095?
How do I fix CVE-2026-60095?
No fix has been published for CVE-2026-60095 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-2026-60095 being exploited?
There is no known exploitation of CVE-2026-60095 in the wild and no public exploit code.
Sources
Also known as GHSA-34r7-v6pv-xq6v.