CVE-2026-35486: text-generation-webui is an open-source web interface for running Large Language Models

Q: How do I fix CVE-2026-35486?

text generation web ui: upgrade to 4.3. Exact commands for each OS are on this page.

Q: Is CVE-2026-35486 being exploited?

CVE-2026-35486 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-35486 affect?

CVE-2026-35486 affects text generation web ui. Severity is high (CVSS 7.5). 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 f

Q: How urgent is CVE-2026-35486?

Priority 45/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2026-35486 is a high-severity flaw (CVSS 7.5) affecting text generation web ui. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 vulnerabil

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 66%)
CISA exploited list	No
Weakness	CWE-918
Published	2026-04-07
Last modified	2026-10-26

Publisher (CNA): GitHub, Inc. · Vendor: oobabooga

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-07 16:16 UTCPublished CVE record published
2026-10-26 21:10 UTCUpdated Record last modified

oobabooga text generation web ui UPGRADE

Affected: < 4.3

Fixed in: 4.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy text-generation-web-ui || rpm -q text-generation-web-ui || text-generation-web-ui --version

2. UPGRADE to 4.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade text-generation-web-ui

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade text-generation-web-ui

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-35486?

text generation web ui: upgrade to 4.3. Exact commands for each OS are on this page.

Is CVE-2026-35486 being exploited?

CVE-2026-35486 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-35486 affect?

CVE-2026-35486 affects text generation web ui. Severity is high (CVSS 7.5). 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 f

How urgent is CVE-2026-35486?

Priority 45/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-35487 MEDIUM 5.3 UPGRADE text-generation-webui is an open-source web interface for running Large Language Models

References

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