How severe is CVE-2026-56781?

CVE-2026-56781 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-56781 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-56781?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-56781 published?

CVE-2026-56781 was published on 2026-06-29.

CVE-2026-56781

CVE-2026-56781 is a medium-severity vulnerability with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-639.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v4: 6.9
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-639
Published: 2026-06-29
Last modified: 2026-06-29

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-56781?: CVE-2026-56781 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-56781 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-56781?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-56781 published?: CVE-2026-56781 was published on 2026-06-29.

References

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