CVE-2025-1386
Query smuggling in ch-go library
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Query smuggling in ch-go library
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.
- Record
CVE-2025-1386- CVSS 4.0
- 5.9 Medium
CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N - Weakness
- CWE-444
- Updated
- 2026-11-02
EUVDEUVD-2025-10732
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.
- Record
EUVD-2025-10732- CVSS 4.0
- 5.9 Medium
CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-m454-3xv7-qj85
CVE-2025-1386- Query smuggling in ch-go library
Impact
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.
Patches
If you are using ch-go library, we recommend you to update to at least version 0.65.0.
Credit
This issue was found by lixts and reported through our bugcrowd program.
- Record
GHSA-m454-3xv7-qj85- CVSS 4.0
- 5.9 Medium
CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N - Weakness
- CWE-444
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2025-1386- CVSS 4.0
- 5.9 Medium
CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-444
- Updated
- 2026-11-02
OSV
Query smuggling in ch-go library
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.
- Record
CVE-2025-1386- CVSS 4.0
- 5.9 Medium
CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N - Updated
- 2026-11-02
OSVGHSA-m454-3xv7-qj85
CVE-2025-1386- Query smuggling in ch-go library
Impact
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.
Patches
If you are using ch-go library, we recommend you to update to at least version 0.65.0.
Credit
This issue was found by lixts and reported through our bugcrowd program.
- Record
GHSA-m454-3xv7-qj85- CVSS 4.0
- 5.9 Medium
CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N - Weakness
- CWE-444
- Updated
- 2026-11-02
OSVGO-2025-3603 No score
Query smuggling in ch-go library in github.com/ClickHouse/ch-go
Query smuggling in ch-go library in github.com/ClickHouse/ch-go
- Record
GO-2025-3603- Updated
- 2026-11-02
OSVopenSUSE-SU-2025:15017-1 No score
govulncheck-vulndb-0.0.20250422T181640-1.1 on GA media
These are all security issues fixed in the govulncheck-vulndb-0.0.20250422T181640-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2025:15017-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
github.com/ClickHouse/ch-goGo |
before 0.65.0 | 0.65.0 |
govulncheck-vulndbopenSUSE:Tumbleweed From an advisory covering 23 CVEs |
before 0.0.20250422T181640-1.1 | 0.0.20250422T181640-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-1386 is a medium vulnerability (CVSS 5.9) in Ch-go, published April 11, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.40%, the 34th percentile. Fixed in github.com/ClickHouse/ch-go 0.65.0.
References
github.com/ClickHouse/ch-go/security/advisories/GHSA-m454-3xv7-qj85
nvd.nist.gov/vuln/detail/CVE-2025-1386
pkg.go.dev/vuln/GO-2025-3603
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lists.opensuse.org/archives/list/[email protected]/thread/XCF7AZBKQYAQXK32J6F54H6NREFBK2V7
suse.com/security/cve/CVE-2019-15119