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Vulnerability · Published Feb 7, 2026 · Assigned by VulDB

CVE-2026-2074O2OA HTTP POST Request check xml external entity reference

Medium 6.3

In plain English

A medium-severity XML external entity in O2OA. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)0.3%top 75.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
n/a O2OA 9.0

Weakness: CWE-611, CWE-610 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References