Medium severity · published Oct 15, 2026
CVE-2026-110874
Dolibarr before 23.0.4 PHP Object Injection via jsonOrUnserialize()
6.6
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 43% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DO
dolibarr · Dolibarr
before 23.0.4 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-110874
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-110874
github.com
https://github.com/Dolibarr/dolibarr
github.com
https://github.com/Dolibarr/dolibarr/commit/17658fcaefdaabe13685e566e5f12d5fbd4f4a5c
github.com
https://github.com/Dolibarr/dolibarr/pull/38530
www.vulncheck.com
https://www.vulncheck.com/advisories/dolibarr-before-23.0.4-php-object-injection-via-jsonorunserialize
More from dolibarr
9.8
CVE-2019-19212
Dolibarr ERP/CRM 3.0 through 10.0.3 allows XSS via the qty parameter to product/fournisseurs.php (product price screen)
9.8
CVE-2018-16809
An issue was discovered in Dolibarr through 7.0.0
9.8
CVE-2018-9019
SQL Injection vulnerability in Dolibarr before version 7.0.2 allows remote attackers to execute arbitrary SQL commands via the sortfield parameter to…
9.8
CVE-2018-10094
SQL injection vulnerability in Dolibarr before 7.0.2 allows remote attackers to execute arbitrary SQL commands via vectors involving integer parameters without quotes
9.8
CVE-2017-14242
SQL injection vulnerability in don/list.php in Dolibarr version 6.0.0 allows remote attackers to execute arbitrary SQL commands via the statut parameter