CVE-2026-18852 epsilla-cloud vectordb Filter expr.cpp ShuntingYard unusual condition
A local attacker can exploit improper condition checks in the filter parser to cause a denial of service in epsilla-cloud vectordb.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-18852?
CVE-2026-18852 is a medium-severity vulnerability in epsilla-cloud vectordb, published on 4 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability has been found in epsilla-cloud vectordb up to 0.3.18/df5a5f5afb85a2376a0f2f316c79dea9b2c6ac7a. This impacts the function SplitTokens/ShuntingYard of the file engine/query/expr/expr.cpp of the component Filter Parser. Such manipulation leads to improper check for unusual conditions. The attack needs to be performed locally. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Weakness: CWE-754
Which versions are affected by CVE-2026-18852?
How do I fix CVE-2026-18852?
No fix has been published for CVE-2026-18852 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-18852 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-18852 exists.
Sources
Also known as GHSA-v276-wxc4-7v7p.