RCE in Langgenius Dify
CVE-2026-85022
A vulnerability was identified in langgenius dify 1.13.0. Affected by this vulnerability is the function router.replace of the file web/app/(shareLayout)/webapp-signin/components/mail-and-password-auth.tsx of the component WebApp Sign-In. Such manipulation of the argument redirect_url leads to cross site scripting. The attack may be performed from remote. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.004 (28.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Affected products
- Langgenius Dify — versions 1.13.0
Weakness classification (CWE)
References
- gist.github.com/TrebledJ/0e8466e5c39a6fb7dca8a3acdfbe2ddc (exploit)
- github.com/langgenius/dify/ (product)
- github.com/langgenius/dify/security/advisories/GHSA-7vhm-2r2w-hgg4 (broken-link)
- huntr.com/bounties/184a858e-05b2-4a06-bb32-2d77cbc363fe (related)
- vuldb.com/cve/CVE-2026-85022 (third-party-advisory)
- vuldb.com/submit/880602 (third-party-advisory)
- vuldb.com/vuln/398289 (technical-description, vdb-entry)
- vuldb.com/vuln/398289/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-85022?
- CVE-2026-85022 is a low-severity vulnerability in Langgenius Dify, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2026-09-03.
- How severe is CVE-2026-85022?
- Low severity. CVSS v3 base score is 3.5 out of 10.