CVE-2025-58177 json
n8n stored cross-site scripting in LangChain Chat Trigger node initialMessages parameter
published 2025-09-15 13 mo ago modified 2026-10-19 20 d ago also EUVD-2025-29216 , GHSA-mvh4-2cm2-6hpg
- cvss
- 5.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 15%
- public exploits
- 0
- none known
Summary
n8n is an open source workflow automation platform. From 1.24.0 to before 1.107.0, there is a stored cross-site scripting (XSS) vulnerability in @n8n/n8n-nodes-langchain.chatTrigger. An authorized user can configure the LangChain Chat Trigger node with malicious JavaScript in the initialMessages field and enable public access so that the payload is executed in the browser of any user who visits the resulting public chat URL. This can be used for phishing or to steal cookies or other sensitive data from users accessing the public chat link. The issue is fixed in version 1.107.0. Updating to 1.107.0 or later is recommended. As a workaround, the affected chatTrigger node can be disabled. No other workarounds are known.
Patch / fix
- npm n8n 1.107.0
- n8n n8n 1.107.0
- github.com/n8n-io/n8n@d4ef191 commit
- github.com/n8n-io/n8n#18148 pull request
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 13 mo ago
Exploit prediction
0.24% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| GitHub | 3.1 | 4.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | n8n | >=1.24.0, <1.107.0 |
1.107.0 |
Affected products
- n8n-io n8n
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/n8n-io/n8n/pull/18148
web, issue-tracking
-
github.com
/n8n-io/n8n/commit/d4ef191be0b39b65efa68559a3b8d5dad2e102b2
web, patch
-
github.com
/n8n-io/n8n/security/advisories/GHSA-mvh4-2cm2-6hpg
web, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2025-58177
advisory
-
docs.n8n.io
/hosting/securing/blocking-nodes
web
-
github.com
/n8n-io/n8n
package
Sources
- CVE List CVE-2025-58177
- GitHub Advisory GHSA-mvh4-2cm2-6hpg
- NVD CVE-2025-58177
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.