EUVD-2026-75779
GHSA-hq58-536x-mhhx
Severity by source
AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Network-reachable SSRF with no auth required, scope change to internal systems; confidentiality-only impact, no write or availability effect.
Primary rating from Vendor (ibm).
CVSS VectorVendor: ibm
Lifecycle Timeline
2DescriptionCVE.org
IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote attacker to obtain sensitive information from internal network resources due to improper validation of user-supplied URLs.
AnalysisAI
Server-side request forgery in IBM Langflow OSS 1.0.0 through 1.11.5 allows unauthenticated remote attackers to coerce the application server into fetching arbitrary internal network resources by supplying malicious URLs to the platform's URL-processing functionality. The scope-changed CVSS vector (S:C/C:H) reflects that exploitation exposes systems beyond Langflow itself - including cloud metadata services, internal APIs, and private network hosts accessible from the Langflow host. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires network-level access to an IBM Langflow OSS instance running versions 1.0.0 through 1.11.5. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N (8.6) is well-calibrated for this SSRF class: network-accessible with no authentication, no user interaction, low complexity, and a scope change that exposes downstream internal systems at high confidentiality impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply the vendor-released patch per the IBM advisory at https://www.ibm.com/support/pages/node/7286665 - the exact fixed version is not available in current data and must be confirmed there. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all IBM Langflow OSS instances running versions 1.0.0 through 1.11.5 in production and development environments, and document their network placement and egress capabilities. …
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Same weakness CWE-918 – Server-Side Request Forgery (SSRF)
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External POC / Exploit Code
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