CVE-2026-90490 lenve vhr MailReceiver deserialization
Remote attackers can exploit a deserialization flaw in the MailReceiver component of lenve vhr to potentially execute arbitrary code.
- 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-2026-90490?
CVE-2026-90490 is a medium-severity unsafe deserialization vulnerability in lenve vhr, published on 13 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A security flaw has been discovered in lenve vhr 1.0-SNAPSHOT. This issue affects some unknown processing of the component MailReceiver. Performing a manipulation results in deserialization. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-90490?
How do I fix CVE-2026-90490?
No fix has been published for CVE-2026-90490 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-2026-90490 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-90490 exists.
Sources
Also known as GHSA-92fw-p64j-phvm.