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Vulnerabilities

Vulnerability · CVE-2026-35487

text-generation-webui is an open-source web interface for running Large Language Models.

Published Apr 7, 2026 · catalog updated Jun 17, 2026 · text generation web ui

Check if you run it

No confirmed exploitation is on record for CVE-2026-35487. EPSS is 0.39%. Act only if a listed version of text generation web ui is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.39%
Remediation
Advisory link
Affected products
cpe oobabooga/text generation web ui

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_prompt() allows reading any .txt file on the server filesystem. The file content is returned verbatim in the API response. This vulnerability is fixed in 4.3.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe oobabooga/text generation web uiversion unspecified

How to fix CVE-2026-35487

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-35487. EPSS is 0.39%. Act only if a listed version of text generation web ui is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-22: Path Traversal. EPSS 0.39%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 7, 2026 · NIST NVD

    Detected

    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_prompt() allows reading any .txt file on the server filesystem. The file content is returned verbatim in the API response. This vulnerability is fixed in 4.3.

  2. Jun 17, 2026 · NIST NVD

    Updated

    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_prompt() allows reading any .txt file on the server filesystem. The file content is returned verbatim in the API response. This vulnerability is fixed in 4.3.

Sources

  • CVE.orgVulnerability recordCVE-2026-35487

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-35487

    30-day exploitation probability 0.4%

    first.org
  • NIST NVDVulnerability recordCVE-2026-35487

    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_prompt() allows reading any .txt file on the server filesystem. The file content is returned verbatim in the API response

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.