CVE-2026-57955

HighPublic PoC

Published: 29 June 2026

Published

29 June 2026

Modified

29 June 2026

KEV Added

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Patch

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CVSS Score v4 8.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:H/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

EPSS Score 0.0024 14.4th percentile

Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-57955 is a high-severity SQL Injection (CWE-89) vulnerability. Its CVSS base score is 8.3 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 14.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

OWASP Top 10 for Web (2025)

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2026-40140

Vulnerability details

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.

CWE(s): CWE-89

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access

Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.

attack.mitre.org →

T1213 Data from Information Repositories Collection

Adversaries may leverage information repositories to mine valuable information.

attack.mitre.org →

Why these techniques?

SQL injection in public-facing web endpoint (alert-history) enables exploitation of the application and direct arbitrary data access from information repositories (traces/logs/metrics).

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0