How severe is CVE-2026-35486?

CVE-2026-35486 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-35486 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-35486?

CVE-2026-35486 affects Oobabooga Text Generation Web Ui. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-35486?

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.

Does CVE-2026-35486 have an EU (EUVD) identifier?

Yes. CVE-2026-35486 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19671.

When was CVE-2026-35486 published?

CVE-2026-35486 was published on 2026-04-07 and last updated on 2026-06-17.

CVE-2026-35486

CVE-2026-35486 is a high-severity vulnerability in Oobabooga Text Generation Web Ui with a CVSS 3.x base score of 7.5. 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 7.5)
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-19671
Weakness: CWE-918
Affected product: Oobabooga Text Generation Web Ui
Published: 2026-04-07
Last modified: 2026-06-17

Description

text-generation-webui is an open-source web interface for running Large Language Models. Prior to 4.3, he superbooga and superboogav2 RAG extensions fetch user-supplied URLs via requests.get() with zero validation — no scheme check, no IP filtering, no hostname allowlist. An attacker can access cloud metadata endpoints, steal IAM credentials, and probe internal services. The fetched content is exfiltrated through the RAG pipeline. This vulnerability is fixed in 4.3.

Frequently asked questions

What is CVE-2026-35486?: text-generation-webui is an open-source web interface for running Large Language Models. Prior to 4.3, he superbooga and superboogav2 RAG extensions fetch user-supplied URLs via requests.get() with zero validation — no scheme check, no IP filtering, no hostname allowlist. An attacker can access cloud metadata endpoints, steal IAM credentials, and probe internal services. The fetched content is exfiltrated through the RAG pipeline. This vulnerability is fixed in 4.3.
How severe is CVE-2026-35486?: CVE-2026-35486 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-35486 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-35486?: CVE-2026-35486 affects Oobabooga Text Generation Web Ui. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-35486?: 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.
Does CVE-2026-35486 have an EU (EUVD) identifier?: Yes. CVE-2026-35486 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19671.
When was CVE-2026-35486 published?: CVE-2026-35486 was published on 2026-04-07 and last updated on 2026-06-17.

References

https://github.com/oobabooga/text-generation-webui/security/advisories/GHSA-jvrj-w5hq-6cp2

Affected products (1)

cpe:2.3:a:oobabooga:text_generation_web_ui:*:*:*:*:*:*:*:*

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