CVE-2026-116556: Argilla · Cross-site Scripting
Affects ArgillaSource CVE Database V5
Public exploit available · CVSS 4.8 Medium.
Data as of 26 Oct 2026, 23:12 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 Argilla project for updates and apply patches once available. Until then, consider applying input sanitization or filtering on the 'text' argument at the application or proxy level to mitigate exploitation risk.
Description
CVE-2026-116556 is a cross-site scripting (XSS) vulnerability in Argilla versions 2.0 through 2.8.0. It arises from improper handling of the 'text' argument in a frontend Vue component, allowing remote attackers to inject malicious scripts. The vulnerability has a medium severity score of 4.8 and public exploit code is available. The Argilla project has been notified but has not yet issued a response or patch.
References
- vuldb.com/vuln/426457 (opens in a new tab)
- vuldb.com/vuln/426457/cti (opens in a new tab)
- vuldb.com/cve/CVE-2026-116556 (opens in a new tab)
- vuldb.com/submit/1022940 (opens in a new tab)
- github.com/argilla-io/argilla/issues/5877 (opens in a new tab)
- github.com/3em0/cve_repo/tree/main/2026/argilla-io.argilla_stored_xss_textfield_v_html/poc (opens in a new tab)