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CVE-2026-39975

CRITICALCVSS 9.4/10EPSS 0.35%

Last modified

CVE-2026-39975 is a critical-severity vulnerability rated 9.4/10 on the CVSS scale. Combodo iTop is a web-based IT service management tool. Prior to 3.2.3, unauthenticated users could delete the .readonly file on iTop instances, leading to code execution. EPSS estimates a 0.35% chance of exploitation in the next 30 days.

Description

Combodo iTop is a web-based IT service management tool. Prior to 3.2.3, unauthenticated users could delete the .readonly file on iTop instances, leading to code execution. This file, created during the setup process, prevents users from performing write actions. This issue has been fixed in version 3.2.3.

Metrics

CVSS 4.0
9.4/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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 Probability
0.35%

28.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
CombodoiTop< 3.2.3

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-39975?
Combodo iTop is a web-based IT service management tool. Prior to 3.2.3, unauthenticated users could delete the .readonly file on iTop instances, leading to code execution. This file, created during the setup process, prevents users from performing write actions. This issue has been fixed in version 3.2.3.
How severe is CVE-2026-39975?
CVE-2026-39975 has a CVSS score of 9.4/10 (CRITICAL severity). The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.
How do I fix CVE-2026-39975?
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.

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Source: NVD / NIST