# CVE-2026-116555: Argilla Sandbox.vue cross site scripting

Status: published. Published: 2026-10-26. Updated: 2026-11-02.

A vulnerability has been found in Argilla up to 2.8.0. The impacted element is an unknown function of the file argilla-frontend/components/features/annotation/container/fields/sandbox/Sandbox.vue. The manipulation of the argument template leads to cross site scripting. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- n/a / Argilla: 2.0 (affected); 2.1 (affected); 2.2 (affected); 2.3 (affected); 2.4 (affected); 2.5 (affected); 2.6 (affected); 2.7 (affected); 2.8.0 (affected). Source: CNA: VulDB

## Severity and prioritization

- CVSS 4.0: 4.8 (medium); 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; source: CNA: VulDB

- CVSS 3.1: 2.4 (low); CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:C; source: CNA: VulDB

- CVSS 3.0: 2.4 (low); CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:C; source: CNA: VulDB

- CVSS 2.0: 3.3 (low); AV:N/AC:L/Au:M/C:N/I:P/A:N/E:POC/RL:ND/RC:C; source: CNA: VulDB

- CISA KEV: No listing in collected sources

- EPSS: 0.21% as of 2026-11-02; percentile 11.20%

- SSVC: exploitation poc; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-79, CWE-94

## Exploit evidence

- exploit: https://github.com/3em0/cve_repo/tree/main/2026/argilla-io.argilla_stored_xss_custom_field_iframe/poc (CNA: VulDB)
- exploit: https://github.com/argilla-io/argilla/issues/5876 (ADP: CISA-ADP)

## References

- https://vuldb.com/vuln/426456 (CNA: VulDB; vdb-entry, technical-description)

- https://vuldb.com/vuln/426456/cti (CNA: VulDB; signature, permissions-required)

- https://vuldb.com/cve/CVE-2026-116555 (CNA: VulDB; third-party-advisory)

- https://vuldb.com/submit/1022936 (CNA: VulDB; third-party-advisory)

- https://github.com/argilla-io/argilla/issues/5876 (CNA: VulDB; issue-tracking)

- https://github.com/3em0/cve_repo/tree/main/2026/argilla-io.argilla_stored_xss_custom_field_iframe/poc (CNA: VulDB; exploit)

- https://github.com/argilla-io/argilla/issues/5876 (ADP: CISA-ADP; exploit)

## Provenance

- CNA: VulDB: https://www.cve.org/CVERecord?id=CVE-2026-116555; retrieved 2026-11-02; source updated 2026-11-02

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-116555; retrieved 2026-11-02; source updated Not reported

Revision: 035475417d4e01107bd6fb8f328ba4fe364273a68e02fc2891682615ebe90bb8

Canonical: https://y2.dev/cve/CVE-2026-116555

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