CVE-2026-19304: CWE-918 Server-Side Request Forgery (SSRF) in IBM Langflow OSS
Description
IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote authenticated attacker to obtain sensitive information from internal services due to a URL parser discrepancy.
CVSS v3.1
Score 7.7high
Affected software
IBM
Langflow OSS
cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:langflow_oss:1.11.2:*:*:*:*:*:*:*Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-19304 is a server-side request forgery (SSRF) vulnerability in IBM Langflow OSS versions 1.0.0 through 1.11.2. The issue arises from a discrepancy in the URL parser that can be exploited by a remote attacker with authentication to retrieve sensitive information from internal services. The vulnerability is classified under CWE-918 and has a CVSS 3.1 base score of 7.7, indicating high severity. No known exploits in the wild or vendor patch information are currently available.
Potential Impact
An authenticated remote attacker can exploit the SSRF vulnerability to obtain sensitive information from internal services that are not normally accessible externally. This could lead to information disclosure that may aid further attacks or compromise confidentiality. There is no indication of impact on integrity or availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or patch links are provided, users should monitor IBM's advisories for updates. Until a fix is available, restrict access to the affected versions and limit authentication to trusted users to reduce risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-08-07T17:28:02.690Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a9ae5d3acd9273b49ce3b73
Added to database: 09/04/2026, 15:37:55 UTC
Last enriched: 09/29/2026, 02:06:25 UTC
Last updated: 10/18/2026, 18:48:18 UTC
Views: 81
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.