CVE-2026-116555: Argilla · Cross-site Scripting
Affects ArgillaSource CVE Database V5
Public exploit available · CVSS 4.8 Medium.
Data as of 26 Oct 2026, 22:57 UTC
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:PExploitation evidence
Disclosed: evidence found.
CVE published 26 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: evidence found.
CVSS exploit maturity: proof of concept public
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Argilla | Affected
| Fixed in– |
PyPIargillapkg:pypi/argillaOther threats | Affected
| Fixed in– |
CPE configurations (1)
cpe:2.3:a:argilla:argilla:*:*:*:*:*:*:*:*
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Users should monitor the project's advisories for updates. Until a patch is released, consider applying input validation or sanitization controls on the 'template' argument if possible, or restrict access to the vulnerable component to trusted users only.
Description
CVE-2026-116555 is a cross-site scripting (XSS) vulnerability in Argilla up to version 2.8.0. It arises from improper handling of the 'template' argument in a component file within the frontend codebase. The vulnerability allows remote attackers to inject malicious scripts. Public exploit code has been disclosed, but no official response or patch has been issued by the project as of the publication date.
References
- vuldb.com/vuln/426456 (opens in a new tab)
- vuldb.com/vuln/426456/cti (opens in a new tab)
- vuldb.com/cve/CVE-2026-116555 (opens in a new tab)
- vuldb.com/submit/1022936 (opens in a new tab)
- github.com/argilla-io/argilla/issues/5876 (opens in a new tab)
- github.com/3em0/cve_repo/tree/main/2026/argilla-io.argilla_stored_xss_custom_field_iframe/poc (opens in a new tab)