Vulnerability record
CVE-2026-127084
The short answer
CVE-2026-127084 affects teableio teable and is rated high (CVSS 8.5). It is not in CISA's KEV catalog; EPSS puts the chance of exploitation in the next 30 days at 0.43%.
What it is
Teable before 2026-10-12T12-45-53Z.3331 contains a stored cross-site scripting vulnerability that allows authenticated users to upload SVG or HTML attachments with an attacker-chosen content type. Attackers can send the same-origin /api/attachments/read URL, served inline with an empty Content-Security-Policy, to run script with the victim's session and perform API actions.
Weakness: CWE-79.
Severity
8.5 high
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Exploited (CISA KEV)
Not listed
CISA lists confirmed exploitation only
EPSS, next 30 days
0.43%
Higher than 38% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Attack requirements
- None
- Privileges required
- Low
- User interaction
- Passive
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- None
Affected products
teable. NVD's record lists the exact affected versions.
References
- github.com/teableio/teable/blob/5ef2238883cad7c3980084de9a9031135fb9734f/apps/nestjs-backend/src/features/attachments/attachments.controller.ts#L52-L71
- github.com/teableio/teable/commit/3c1c4646bfddfb14b1f2fbab8d0e1189969fa304
- github.com/teableio/teable/releases/tag/release.2026-10-12T12-45-53Z.3331
- github.com/teableio/teable/security/advisories/GHSA-2fm5-fcfx-hq5f
- www.vulncheck.com/advisories/teable-before-2026-10-12t12-45-53z-3331-stored-xss-via-attachment-uploads
Questions
Is CVE-2026-127084 being exploited?
It is not in CISA's Known Exploited Vulnerabilities catalog as of 2026-11-14. FIRST's EPSS estimates a 0.43% chance of exploitation in the next 30 days.
How do I fix CVE-2026-127084?
Follow the vendor advisory in the references below. NVD lists the affected versions under its configurations.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Received. The description is NVD's text, quoted as published.
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