SQL Injection in Signoz
CVE-2026-57955
SigNoz through 0.130.1 contains a SQL injection vulnerability that allows authenticated attackers to execute arbitrary ClickHouse queries by injecting URL-encoded quotes into the rule ID path parameter of the alert-history endpoints. Attackers can manipulate the unsanitized rule ID interpolated into ClickHouse queries to read all stored traces, logs, and metrics, or abuse the url() function to perform server-side request forgery.
Vulnerability class: SQL Injection
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (23.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 23.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Signoz — versions 0
Weakness classification (CWE)
References
- github.com/SigNoz/signoz/issues/11747 (issue-tracking)
- www.vulncheck.com/advisories/signoz-sql-injection-in-alert-history-endpoints-vi… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-57955?
- CVE-2026-57955 is a high-severity vulnerability in Signoz, classified under SQL Injection. CVSS score: 8.5/10. Published 2026-06-29.
- How severe is CVE-2026-57955?
- High severity. CVSS v3 base score is 8.5 out of 10.