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Vulnerability record · CVE-2026-39938 · published 24 June 2026

CVE-2026-39938: Cacti path traversal vulnerability

Cacti · Cacti

Cacti is an open source performance and fault management framework. Versions 1.2.30 and prior have unauthenticated LFI through graph_theme and rrdtool IPC serialization hardening. This issue has been resolved in version 1.2.31.

9.8 CVSS 3.1 Critical EPSS 0.69% · top 49.0% CWE-22 · Path traversalCWE-78 · OS command injection
9.8CVSS 3.1 base score
0.69%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
26 Jun 2026Last modified by NVD

Description

Cacti is an open source performance and fault management framework. Versions 1.2.30 and prior have unauthenticated LFI through graph_theme and rrdtool IPC serialization hardening. This issue has been resolved in version 1.2.31.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/Cacti/cacti/commit/9871f0cef9af285398d558c9b3188d5977e01a04 Patch
https://github.com/Cacti/cacti/security/advisories/GHSA-rm7p-qcqm-x5m6 PatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2022-46169Cacti remote_agent.php auth bypass leads to OS command injectionCacti's remote_agent.php trusts attacker-controlled HTTP headers when resolving the client IP, letting an unauthenticated attacker spoof the poller h…KEVEPSS 100%analysed9.8CVE-2026-39955Cacti sql injection vulnerabilityCacti is an open source performance and fault management framework. Versions 1.2.30 and prior have pre-authentication SQL Injection via unanchored FI…EPSS 0.59%9.8CVE-2026-39893Cacti sql injection vulnerabilityCacti is an open source performance and fault management framework. In versions 1.2.30 and prior, the rfilter request variable was concatenated into …EPSS 0.67%9.8CVE-2025-26520Cacti sql injection vulnerabilityCacti through 1.2.29 allows SQL injection in the template function in host_templates.php via the graph_template parameter. NOTE: this issue exists be…EPSS 0.48%9.8CVE-2023-39361Cacti graph_view.php SQL injection allows unauthenticated guest accessCacti's graph_view.php is vulnerable to SQL injection. Guest users can reach graph_view.php without authentication by default, so when guest access i…EPSS 89%analysed9.8CVE-2022-0730Cacti improper authentication vulnerabilityUnder certain ldap conditions, Cacti authentication can be bypassed with certain credential types.EPSS 3.5%9.8CVE-2017-12065Cacti vulnerabilityspikekill.php in Cacti before 1.1.16 might allow remote attackers to execute arbitrary code via the avgnan, outlier-start, or outlier-end parameter.EPSS 2.9%9.3CVE-2026-39948Cacti sql injection vulnerabilityCacti is an open source performance and fault management framework. In versions 1.2.30 and prior, the rfilter request parameter is retrieved via the …EPSS 0.85%

Source: NIST National Vulnerability Database (record CVE-2026-39938), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.