Buffer overflow in Vinchin Backup & Recovery 9.0
CVE-2026-60094
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.
EPSS exploit prediction
EPSS: 0.006 (48.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Vinchin Backup & Recovery 9.0 — versions 0
Weakness classification (CWE)
References
- CODE WHITE Vulnerability List (technical-description)
- Product Webpage (product)
- www.vulncheck.com/advisories/vinchin-backup-recovery-heap-buffer-overflow-via-a… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-60094?
- CVE-2026-60094 is a medium-severity vulnerability in Vinchin Backup & Recovery 9.0, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2026-07-09.
- How severe is CVE-2026-60094?
- Medium severity. CVSS v3 base score is 6.5 out of 10.