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Turso CVE-2026-85698

| EUVDEUVD-2026-71147 MEDIUM
Out-of-bounds Read (CWE-125)
2026-09-04 VulnCheck GHSA-xvgm-8rpx-fmg6
6.8
CVSS 4.0 · Vendor: VulnCheck
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Severity by source

Vendor (VulnCheck) PRIMARY
6.8 MEDIUM
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/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
vuln.today AI
5.5 MEDIUM

Local file-open required (AV:L, UI:R); no attacker privileges needed; Rust panic limits impact to availability only with no C or I effect.

3.1 AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
4.0 AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (VulnCheck).

CVSS VectorVendor: VulnCheck

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
P
Scope
X

Lifecycle Timeline

3
Metadata Corrected
Sep 04, 2026 - 16:40 vuln.today
tag: Information Disclosure removed
Metadata Corrected
Sep 04, 2026 - 16:40 vuln.today
tag: Buffer Overflow removed
Analysis Generated
Sep 04, 2026 - 16:06 vuln.today

DescriptionCVE.org

Turso through 0.8.0-pre.8 contains an out-of-bounds read vulnerability in the table-leaf page reader that uses an attacker-controlled cell-count field without bounds validation. Attackers can craft a malicious database file with a modified cell count value to trigger an index-out-of-bounds panic when querying, causing denial of service in any application that opens untrusted database files.

AnalysisAI

Out-of-bounds read in Turso through 0.8.0-pre.8 crashes any application that opens a crafted database file, causing denial of service. The table-leaf page reader in core/storage/pager.rs accepts the cell-count field from a SQLite page header at face value without validating it against the actual page payload bounds; supplying an inflated count causes an index-out-of-bounds panic in Rust, aborting the host process. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Delivery
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Exploit
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Execution
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Persist
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Vulnerability AssessmentAI

Exploitation The target application must open and query an attacker-supplied or attacker-influenced database file; there is no network-reachable service path - the file itself is the attack vector. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 vector (AV:L/AC:L/AT:N/PR:N/UI:P/VA:H) accurately frames the threat: the malicious database file must reach the target application and be actively opened (UI:P), but once that occurs the crash is deterministic (AC:L) and requires no attacker privileges on the system. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation No vendor-released patch with a specific fixed version has been confirmed in the available intelligence. … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-85698 vulnerability details – vuln.today

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