Combodo iTop: PHP Object Injection Leading to Remote Code Execution on user preferences

published 2026-08-24 2 mo ago modified 2026-10-12 28 d ago also EUVD-2026-65077

cvss: 8.7; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 45%
public exploits: 0; none known

Combodo iTop is a web-based IT service management tool. Prior to 3.2.3, iTop is vulnerable to PHP object injection in the user preference functionality, which can lead to remote code execution. This issue has been fixed in version 3.2.3.

Patch / fix

fixed in 1

combodo itop 3.2.3

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 2 mo ago (2026-08-27)

Exploit prediction

0.53% chance of exploitation in the next 30 days, higher than 45% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.7	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Affected products

Combodo iTop

Classification

Weakness

CWE-502 Deserialization of Untrusted Data
CWE-94 Improper Control of Generation of Code

References

github.com /Combodo/iTop/security/advisories/GHSA-3mq5-p5vh-cw7r

Sources

CVE List CVE-2026-40877
NVD CVE-2026-40877

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.

Summary