epsilla-cloud vectordb Filter Parser expr.cpp SplitTokens/ShuntingYard unusual condition

Summaryinfo

A vulnerability has been found in epsilla-cloud vectordb up to 0.3.18/df5a5f5afb85a2376a0f2f316c79dea9b2c6ac7a and classified as problematic. Affected is the function SplitTokens/ShuntingYard of the file engine/query/expr/expr.cpp of the component Filter Parser. Performing a manipulation results in unusual condition. This vulnerability is reported as CVE-2026-18852. The attack requires a local approach. Moreover, an exploit is present. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability classified as problematic has been found in epsilla-cloud vectordb up to 0.3.18/df5a5f5afb85a2376a0f2f316c79dea9b2c6ac7a. This affects the function SplitTokens/ShuntingYard of the file engine/query/expr/expr.cpp of the component Filter Parser. The manipulation with an unknown input leads to a unusual condition vulnerability. CWE is classifying the issue as CWE-754. The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product. This is going to have an impact on availability.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-18852. The exploitability is told to be easy. An attack has to be approached locally. Technical details and a public exploit are known.

The exploit is shared for download at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Cloud Software

Vendor

• epsilla-cloud

Name

• vectordb

Version

• 0.3.0
• 0.3.1
• 0.3.2
• 0.3.3
• 0.3.4
• 0.3.5
• 0.3.6
• 0.3.7
• 0.3.8
• 0.3.9
• 0.3.10
• 0.3.11
• 0.3.12
• 0.3.13
• 0.3.14
• 0.3.15
• 0.3.16
• 0.3.17
• 0.3.18
• df5a5f5afb85a2376a0f2f316c79dea9b2c6ac7a

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Submitinfo

Accepted

• Submit #858196: epsilla-cloud VectorDB df5a5f5afb85a2376a0f2f316c79dea9b2c6ac7a CWE-754: Improper Check for Unusual or Exceptional Conditions (by fa1c4)

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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