Query smuggling in ch-go library
Priority LOW 27CWE-444Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- High
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub.
Summary
When using the ch-go library, under a specific condition when the query includes a large, uncompressed malicious external data, it is possible for an attacker in control of such data to smuggle another query packet into the connection stream.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00401 34th percentileScored 2026-11-07
Fix Fixed ch-go (ch-go): 0.65.0github.com/ClickHouse/ch-go (Go): 0.65.0
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 |
|---|---|---|---|---|---|
| ch-go | ch-go | before 0.65.0 | 0.65.0 | Patch available | CNA |
| — | github.com/ClickHouse/ch-go (Go) | before 0.65.0 | 0.65.0 | Patch available | GHSA-m454-3xv7-qj85 |
- ch-go Vendorch-go Affected before 0.65.0 Fixed in 0.65.0 Patch available CNA
- github.com/ClickHouse/ch-go (Go) Vendor— Affected before 0.65.0 Fixed in 0.65.0 Patch available GHSA-m454-3xv7-qj85
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:clickhouse:ch:*:*:*:*:*:go:*:* | before 0.65.0 | Vulnerable | ClickHouse |
- cpe:2.3:a:clickhouse:ch:*:*:*:*:*:go:*:* Versions before 0.65.0 Vulnerable ·ClickHouse
Remediation
- Fix · CNA ch-go (ch-go) Fixed in 0.65.0
- Fix · GHSA-m454-3xv7-qj85 github.com/ClickHouse/ch-go (Go) Fixed in 0.65.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2025-1386
- 2026-10-03 Alias added: GHSA-m454-3xv7-qj85
References
Sources
- CVE-2025-1386 · CVE Program
- CVE-2025-1386 · NVD
- FIRST EPSS
- GHSA-m454-3xv7-qj85 · 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