CVE-2019-18657
ClickHouse before 19.13.5.44 allows HTTP header injection via the url table function.
CVE-2019-18657 is a medium vulnerability (CVSS 5.3) in Clickhouse, published October 31, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.47%, the 74th percentile. No source names a fixed version.
- Severity
- 5.3 MediumCVSS 3.1, NVD
- Exploit chance
- 1.47%EPSS, 74th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
ClickHouse before 19.13.5.44 allows HTTP header injection via the url table function.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
Affected products
What each source reports
NVD Score used
ClickHouse before 19.13.5.44 allows HTTP header injection via the url table function.
- Record
CVE-2019-18657- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-74
- Updated
- 2026-11-02
CVE ListNo score
ClickHouse before 19.13.5.44 allows HTTP header injection via the url table function.
- Record
CVE-2019-18657- Updated
- 2026-11-02
EUVDEUVD-2019-8375No score
ClickHouse before 19.13.5.44 allows HTTP header injection via the url table function.
- Record
EUVD-2019-8375- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qgx5-5m84-4526
ClickHouse before 19.13.5.44 allows HTTP header injection via the url table function.
ClickHouse before 19.13.5.44 allows HTTP header injection via the url table function.
- Record
GHSA-qgx5-5m84-4526- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-74
- Updated
- 2026-11-02
OSV
ClickHouse before 19.13.5.44 allows HTTP header injection via the url table function.
- Record
CVE-2019-18657- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.