How severe is CVE-2026-9081?

CVE-2026-9081 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2026-9081 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-9081?

CVE-2026-9081 affects Langflow. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-9081?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2026-9081 published?

CVE-2026-9081 was published on 2026-08-05 and last updated on 2026-08-06.

CVE-2026-9081

CVE-2026-9081 is a high-severity vulnerability in Langflow with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-918.

Key facts

Severity: High (CVSS 3.x base score 7.1)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Langflow
Published: 2026-08-05
Last modified: 2026-08-06

Description

IBM Langflow OSS 1.0.0 through 1.10.3, and 1.0.0 through 1.10.3 contains a Server-Side Request Forgery (SSRF) vulnerability in the validate_model_provider_key() function for the Ollama provider. The function accepts a user-supplied OLLAMA_BASE_URL parameter and passes it directly to requests.get() without validation, scheme/host allowlisting, or filtering of private IP ranges (loopback, RFC1918, link-local addresses).

Frequently asked questions

What is CVE-2026-9081?: IBM Langflow OSS 1.0.0 through 1.10.3, and 1.0.0 through 1.10.3 contains a Server-Side Request Forgery (SSRF) vulnerability in the validate_model_provider_key() function for the Ollama provider. The function accepts a user-supplied OLLAMA_BASE_URL parameter and passes it directly to requests.get() without validation, scheme/host allowlisting, or filtering of private IP ranges (loopback, RFC1918, link-local addresses).
How severe is CVE-2026-9081?: CVE-2026-9081 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2026-9081 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-9081?: CVE-2026-9081 affects Langflow. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-9081?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2026-9081 published?: CVE-2026-9081 was published on 2026-08-05 and last updated on 2026-08-06.

References

https://www.ibm.com/support/pages/node/7282650

Affected products (1)

cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:*

More vulnerabilities in Langflow

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Browse all CWE-918 (Server-Side Request Forgery (SSRF)) vulnerabilities →

Threat intelligence

Threat-intel indicators referencing this CVE:

3.19.213.118 (ipv4-addr)
56.155.73.159 (ipv4-addr)