CVE-2026-2074CWE-610CWE-611

O2OA HTTP POST Request check xml external entity reference

Medium · published February 7, 2026

CVSS v4.0
5.3
EPSS
0%
Percentile
22.5
In the wild
Unconfirmed
What it is

A vulnerability was identified in O2OA up to 9.0.0. This impacts an unknown function of the file /x_program_center/jaxrs/mpweixin/check of the component HTTP POST Request Handler. The manipulation leads to xml external entity reference. It is possible to initiate the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00309 · 22.5th percentile
Weaknesses
CWE-610 · Externally Controlled Reference to a Resource in Another Sphere; CWE-611 · Improper Restriction of XML External Entity Reference
Published
2026-02-07T04:02Z
EPSS history
Timeline
  • 07 FEB 04:02Z
    O2OA HTTP POST Request check xml external entity reference
    cvelistv5