CVE-2026-39938
CRITICALCVSS 9.8/10EPSS 0.44%
Last modified
CVE-2026-39938 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 0.44% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cacti | Cacti | < 1.2.31 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-39938?
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.
How severe is CVE-2026-39938?
CVE-2026-39938 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.44% probability of exploitation in the next 30 days.
How do I fix CVE-2026-39938?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-39932OpenEMR through 8.2.0 contains a remote code execution vulne…9.1
- CVE-2026-39933Improper neutralization of input during web page generation …6.9
- CVE-2026-39934Loop with unreachable exit condition ('infinite loop') vulne…6.9
- CVE-2026-39935Improper neutralization of input during web page generation …6.9
- CVE-2026-39936Improper neutralization of input during web page generation …6.9
- CVE-2026-39937Improper removal of sensitive information before storage or …8.8
- CVE-2026-3994A vulnerability was detected in rui314 mold up to 2.40.4. Th…5.3
- CVE-2026-39940ChurchCRM is an open-source church management system. Prior …5.3
- CVE-2026-39941ChurchCRM is an open-source church management system. Prior …6.1
- CVE-2026-39942Directus is a real-time API and App dashboard for managing S…8.8
- CVE-2026-39943Directus is a real-time API and App dashboard for managing S…6.5
- CVE-2026-39946OpenBao is an open source identity-based secrets management …4.9
Are you affected by CVE-2026-39938?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST