01 Record

CVE-2026-108604

Tabularis through 0.27.0 Read-Only Bypass via MCP run_query SELECT Classification

MediumPUBLISHEDCNA: VulnCheck

CNA base score5.8 CVSS v4.0CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N

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02 Description

Tabularis through 0.27.0 Read-Only Bypass via MCP run_query SELECT Classification

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: Not scored by EPSS
EPSS percentile: Not scored by EPSS
NVD base score: 5.8 (CVSS v4.0), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD analysis status: Received. NVD last modified this record on 2026-10-10.
Red Hat severity: No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2026-10-10 19:54Z2 HR AGO

Last updated

2026-10-10 19:54Z2 HR AGO

Reserved

2026-10-10

Assigning CNA

VulnCheck

Record state

PUBLISHED

Severity

Medium (CVSS 5.8)

CNA CVSS vector

CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N

Weaknesses

CWE-863Incorrect AuthorizationClass

Data version

5.2

Document digest

d472b0313baa36f7a18a2e69e7072f8323bd164b348c115ca600a02cb82f6e5a

05 Affected products

VendorProductVersionsPlatforms

TabularisDBtabularis0 to 0.27.0—

06 References

hackmd.iohttps://hackmd.io/@haind/S1BofaIsMxthird-party-advisory
github.comhttps://github.com/TabularisDB/tabularis/blob/804c4c3bb6fd8eaa2e36cbe49f6c0d58f373b5e9/src-tauri/src/ai_activity.rs#L357-L416technical-description
github.comhttps://github.com/TabularisDB/tabularis/blob/804c4c3bb6fd8eaa2e36cbe49f6c0d58f373b5e9/src-tauri/src/mcp/mod.rs#L1136-L1171technical-description
github.comhttps://github.com/TabularisDB/tabularisproduct
www.vulncheck.comVulnCheck Advisory: Tabularis through 0.27.0 Read-Only Bypass via MCP run_query SELECT Classificationhttps://www.vulncheck.com/advisories/tabularis-through-0.27.0-read-only-bypass-via-mcp-run-query-select-classificationthird-party-advisory