CVE-2026-91842 OpenBankProject OBP-API Kryo Redis.scala KryoInjection.invert deserialization
Remote attackers can exploit a deserialization flaw in the Kryo Redis handler to potentially execute arbitrary code, though high complexity limits exploitability.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-91842?
CVE-2026-91842 is a low-severity unsafe deserialization vulnerability in OpenBankProject OBP-API, published on 15 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A vulnerability has been found in OpenBankProject OBP-API up to 1.10.1. This impacts the function KryoInjection.invert of the file obp-api/src/main/scala/code/api/cache/Redis.scala of the component Kryo Handler. Such manipulation leads to deserialization. The attack can be launched remotely. A high complexity level is associated with this attack. The exploitability is said to be difficult. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Which versions are affected by CVE-2026-91842?
How do I fix CVE-2026-91842?
No fix has been published for CVE-2026-91842 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2026-91842 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-91842 exists.
Sources
Also known as GHSA-v52x-hx5q-93rv.