Website Path Traversal / Arbitrary File Read (Authenticated) in Sliver
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-22 and the CVSS impact.
Summary
Sliver is a command and control framework that uses a custom Wireguard netstack. Prior to 1.6.11, a path traversal in the website content subsystem lets an authenticated operator read arbitrary files on the Sliver server host. This is an authenticated path traversal / arbitrary file read issue, and it can expose credentials, configs, and keys. This vulnerability is fixed in 1.6.11.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| BishopFox | sliver | before 1.6.11 | 1.6.11 | Patch available | CNA |
| — | github.com/bishopfox/sliver (Go) | before 1.6.11 | 1.6.11 | Patch available | GHSA-2286-hxv5-cmp2 |
- sliver VendorBishopFox Affected before 1.6.11 Fixed in 1.6.11 Patch available CNA
- github.com/bishopfox/sliver (Go) Vendor— Affected before 1.6.11 Fixed in 1.6.11 Patch available GHSA-2286-hxv5-cmp2
Remediation
- Fix · CNA sliver (BishopFox) Fixed in 1.6.11
- Fix · GHSA-2286-hxv5-cmp2 github.com/bishopfox/sliver (Go) Fixed in 1.6.11 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2026-25760
- 2026-10-03 Alias added: GHSA-2286-hxv5-cmp2
References
More BishopFox Sliver vulnerabilities
- TI-2025-19960 Server-Side Request Forgery (SSRF) in sliver teamserver CVSS 4.0MEDIUM 6.9
- TI-2023-17391 Sliver from v1.5.x to v1.5.39 has an improper cryptographic implementation, which allows… CVSS 3.1HIGH 8.1
- TI-2026-26522 Sliver One-Click Remote Access: Insecure CORS & Unauthenticated MCP Interface CVSS 4.0MEDIUM 5.9
- TI-2026-25389 Sliver Vulnerable to Authenticated OOM via Memory Exhaustion in mTLS/WireGuard Transports CVSS 4.0MEDIUM 5.7
- TI-2026-23367 Sliver: Authenticated Nil-Pointer Dereference in Handlers CVSS 4.0LOW 2.1
- TI-2026-20855 Sliver has a DNS C2 OTP Bypass Allows Unauthenticated Session Flooding and Denial of Service CVSS 3.1HIGH 7.5
Sources
- CVE-2026-25760 · CVE Program
- CVE-2026-25760 · NVD
- FIRST EPSS
- GHSA-2286-hxv5-cmp2 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences