What is CVE-2026-39948?

CVE-2026-39948 is a critical-severity vulnerability in Cacti, classified under SQL Injection. CVSS score: 9.8/10. Published 2026-06-24.

How severe is CVE-2026-39948?

Critical severity. CVSS v3 base score is 9.8 out of 10.

SQL Injection in Cacti

CVE-2026-39948

Cacti is an open source performance and fault management framework. In versions 1.2.30 and prior, the rfilter request parameter is retrieved via the raw accessor grv() (rather than gfrv() with FILTER_VALIDATE_IS_REGEX validation) and conca…

Vulnerability class: SQL Injection

EPSS: 0.005 (40.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Cacti — versions < 1.2.31

Weakness classification (CWE)

CWE-89 — SQL Injection

References

security-advisories@github.com (Patch, x_refsource_MISC)
security-advisories@github.com (x_refsource_CONFIRM, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-39948?: CVE-2026-39948 is a critical-severity vulnerability in Cacti, classified under SQL Injection. CVSS score: 9.8/10. Published 2026-06-24.
How severe is CVE-2026-39948?: Critical severity. CVSS v3 base score is 9.8 out of 10.