CVE-2026-126279

Description

NocoDB before 2026.06.2 contains a stored cross-site scripting vulnerability in PromptWithFields.vue that renders unescaped field references from AI field prompts as HTML in a tooltip. Attackers with the Creator role or above can store markup in a prompt's field reference that executes when victims open the field configuration, stealing the localStorage session token to call authenticated APIs as the victim.

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

• 7.0CVSS 4.0, Highfrom the CNA (VulnCheck)CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
• 6.3CVSS 3.1, Mediumfrom the CNA (VulnCheck)CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

No explicit remediation statement is available on this page yet. Consult the original record and vendor references before choosing a fix.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

Timeline

1. 13 Nov 2026 Published

Weakness

• CWE-79

References

• GitHub Security Advisory (GHSA-j96w-qm45-vgp2)vendor-advisory
• VulnCheck Advisory: NocoDB before 2026.06.2 Stored XSS via AI Field Prompt Tooltipthird-party-advisory