Out-of-bounds Read in Tursodatabase Turso
CVE-2026-85698
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.002 (6.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 6.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.001
Affected products
Weakness classification (CWE)
References
- github.com/tursodatabase/turso (product)
- github.com/tursodatabase/turso/blob/v0.8.0-pre.8/core/storage/pager.rs (technical-description)
- github.com/tursodatabase/turso/issues/7473 (issue-tracking)
- www.vulncheck.com/advisories/turso-through-0.8.0-pre.8-out-of-bounds-read-denia… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-85698?
- CVE-2026-85698 is a medium-severity vulnerability in Tursodatabase Turso, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2026-09-04.
- How severe is CVE-2026-85698?
- Medium severity. CVSS v3 base score is 5.5 out of 10.