Vulnerability · Published Oct 15, 2026 · Assigned by VulnCheck

CVE-2026-110874Dolibarr before 23.0.4 PHP Object Injection via jsonOrUnserialize()

Medium 6.6

In plain English

A medium-severity unsafe deserialization in dolibarr from Dolibarr. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities).

Severity (CVSS 3.1)6.6Medium

Exploit odds (30 days)0.5%top 56.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Dolibarr before 23.0.4 contains a PHP object injection vulnerability in jsonOrUnserialize() in functions.lib.php, which calls unserialize() without class restrictions when json_decode() fails. Attackers able to write stored extrafields, export configurations or blocked log entries can plant serialized objects that trigger gadget chains for code execution or file manipulation.

Affected products (as reported)

Vendor	Product	Versions
Dolibarr	dolibarr	0 – before 23.0.4

Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

References

Pull Request #38530 issue-tracking, patch
Patch Commit patch
https://github.com/Dolibarr/dolibarr product
VulnCheck Advisory: Dolibarr before 23.0.4 PHP Object Injection via jsonOrUnserialize() third-party-advisory