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.

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)

EPSS: 0.002 (14.2th percentile) — read the EPSS interpretation.

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.

Affected products

Teableio Teable — versions 0

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

disclosure@vulncheck.com (issue-tracking, technical-description)
disclosure@vulncheck.com (issue-tracking)
disclosure@vulncheck.com (release-notes)
disclosure@vulncheck.com (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.