CVE-2025-11436 JhumanJ OpnForm answer unrestricted upload

Medium 5.3 Published Updated

Attackers can upload unrestricted files to the /answer endpoint, potentially leading to code execution or security bypass.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-11436?

CVE-2025-11436 is a medium-severity vulnerability in JhumanJ OpnForm, published on 8 Oct 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was detected in JhumanJ OpnForm up to 1.9.3. Affected by this issue is some unknown functionality of the file /answer. The manipulation results in unrestricted upload. The attack can be launched remotely. The exploit is now public and may be used. The patch is identified as 95c3e23856465d202e6aec10bdb6ee0688b5305a. It is advisable to implement a patch to correct this issue.

Weakness: CWE-434, CWE-284

Which versions are affected by CVE-2025-11436?

It affects 1 product.

Products include Jhumanj Opnform.

How do I fix CVE-2025-11436?

No fix has been published for CVE-2025-11436 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-11436 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-11436 exists.

Sources

Also known as GHSA-v7mp-273w-5h6j.

Is CVE-2025-11436 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free