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critical·Product Based Web Vulnerabilities·Updated Nov 2, 2026

ClickHouse Server - Brotli v1.2.0 Decoder DoS/OOB-Write

Est. Time~10 seconds
Scan TypeGroup Scan
Targetsdomain, subdomain, ipv4
CostFree
20
Times Used
continuous scan runs
10
Continuously Checked
assets under CS
0
Vulnerabilities Found
confirmed findings
References
9.5
CVSScritical
Exploitable remotely over the internet · no authentication required.
Description

An issue has been discovered in ClickHouse Server that, under certain conditions, could allow an unauthenticated user with network access to execute arbitrary code on the ClickHouse Server.

Attack Vector
Network
Privileges Req.
None
User Interaction
None
Affected
ClickHouseby ClickHouse
AFFECTED< 26.3.62.3-lts→SAFE ✓≥ 26.3.62.3-lts
ClickHouse Cloudby ClickHouse
AFFECTED< 25.12.1.1713→SAFE ✓≥ 25.12.1.1713
Updated Nov 15, 2026View on NVD →

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