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CVE-2026-35485

Oobabooga Textgen path traversal

7.5 HIGHPublic exploitEPSS 0.88%
  1. Published7 Apr 2026

Description

text-generation-webui is an open-source web interface for running Large Language Models. Prior to 4.3, an unauthenticated path traversal vulnerability in load_grammar() allows reading any file on the server filesystem with no extension restriction. Gradio does not server-side validate dropdown values, so an attacker can POST directory traversal payloads (e.g., ../../../etc/passwd) via the API and receive the full file contents in the response. This vulnerability is fixed in 4.3.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

Oobabooga Textgen< 4.3

Remediation

Fixed in
Oobabooga Textgen≥ 4.3

References

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Frequently asked

Is CVE-2026-35485 being actively exploited?

CVE-2026-35485 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.88%.

How severe is CVE-2026-35485?

CVE-2026-35485 has a CVSS 3.1 base score of 7.5, rated high. EPSS estimates a 0.88% probability of exploitation.

Which products are affected by CVE-2026-35485?

Affected products include Oobabooga Textgen.

How do I fix CVE-2026-35485?

Upgrade affected software to a fixed version, for example Oobabooga Textgen 4.3 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-35485 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.