CVE-2026-18852 PUBLISHED

epsilla-cloud vectordb Filter expr.cpp ShuntingYard unusual condition

Assigner: VulDB
Reserved: 04.08.2026 Published: 04.08.2026 Updated: 05.08.2026

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.

Metrics

CVSS Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
CVSS Score: 4.8

Product Status

Vendor epsilla-cloud
Product vectordb
Versions
  • Version 0.3.0 is affected
  • Version 0.3.1 is affected
  • Version 0.3.2 is affected
  • Version 0.3.3 is affected
  • Version 0.3.4 is affected
  • Version 0.3.5 is affected
  • Version 0.3.6 is affected
  • Version 0.3.7 is affected
  • Version 0.3.8 is affected
  • Version 0.3.9 is affected
  • Version 0.3.10 is affected
  • Version 0.3.11 is affected
  • Version 0.3.12 is affected
  • Version 0.3.13 is affected
  • Version 0.3.14 is affected
  • Version 0.3.15 is affected
  • Version 0.3.16 is affected
  • Version 0.3.17 is affected
  • Version 0.3.18 is affected
  • Version df5a5f5afb85a2376a0f2f316c79dea9b2c6ac7a is affected

Credits

  • fa1c4 (VulDB User) reporter
  • VulDB CNA Team coordinator

References

Problem Types

  • Improper Check for Unusual Conditions CWE