Auth bypass in Teableio Teable
CVE-2026-56781
Teable before 2026-06-15T04-43-24Z.1912 contains an improper access control vulnerability that allows anonymous attackers to access hidden field data by supplying arbitrary field IDs in the projection parameter of the share view records endpoint. Attackers can enumerate hidden field IDs from share metadata and specify them in projection parameters to read field values that are intended to be restricted from public view.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (31.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 31.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Teableio Teable — versions 0
Weakness classification (CWE)
References
- github.com/teableio/teable/issues/3335 (issue-tracking, technical-description)
- github.com/teableio/teable/pull/3353 (issue-tracking)
- github.com/teableio/teable/releases/tag/release.2026-06-15T04-43-24Z.1912 (release-notes)
- www.vulncheck.com/advisories/teable-unauthenticated-hidden-field-disclosure-via… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-56781?
- CVE-2026-56781 is a medium-severity vulnerability in Teableio Teable, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.3/10. Published 2026-06-29.
- How severe is CVE-2026-56781?
- Medium severity. CVSS v3 base score is 5.3 out of 10.