What is CVE-2026-35484?

CVE-2026-35484 is a medium-severity vulnerability in Oobabooga Textgen, classified under Path Traversal. CVSS score: 5.3/10. Published 2026-04-07.

How severe is CVE-2026-35484?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Path Traversal in Oobabooga Textgen

CVE-2026-35484

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_preset() allows reading any .yaml file on the server filesystem. The parsed YAML key-value pairs (including passwords, API keys, connection strings) are returned in the API response. This vulnerability is fixed in 4.3.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2026-04-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (31.7th percentile), scored 2026-09-28.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 31.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001

Affected products

Oobabooga Textgen
Oobabooga Text-Generation-Webui — versions < 4.3

Weakness classification (CWE)

CWE-22 — Path Traversal

References

github.com/oobabooga/text-generation-webui/security/advisories/GHSA-w3cv-4447-5… (Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2026-35484?: CVE-2026-35484 is a medium-severity vulnerability in Oobabooga Textgen, classified under Path Traversal. CVSS score: 5.3/10. Published 2026-04-07.
How severe is CVE-2026-35484?: Medium severity. CVSS v3 base score is 5.3 out of 10.