CVE-2026-34523: SillyTavern is a locally installed user interface that allows users to interact with text generation large lan

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MEDIUM 5.3REMOTEUPGRADE

CVE-2026-34523 is a medium-severity flaw (CVSS 5.3) affecting sillytavern. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SillyTavern is a locally installed user interface that allows users to interact with text generation large language models, image generation engines, and text-to-speech voice models. Prior to version 1.17.0, a path traversal vulnerability in the static file route handler allows any unauthenticated user to determine whether files exist anywhere on the server's filesystem. by sending percent-encoded "../" sequences (%2E%2E%2F) in requests to static

Why this priority

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

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 61%)
CISA exploited list	No
Weakness	CWE-22
Published	2026-04-02
Last modified	2026-07-24

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

Last updated 2026-07-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-02 18:16 UTCPublished CVE record published
2026-07-24 21:10 UTCUpdated Record last modified

sillytavern sillytavern UPGRADE

Affected: < 1.17.0

Fixed in: 1.17.0

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls sillytavern

2. UPGRADE to 1.17.0

npm install sillytavern@">=1.17.0"

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-2026-34523?

sillytavern: upgrade to 1.17.0. Exact commands for each OS are on this page.

Is CVE-2026-34523 being exploited?

CVE-2026-34523 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-2026-34523 affect?

CVE-2026-34523 affects sillytavern. Severity is medium (CVSS 5.3). SillyTavern is a locally installed user interface that allows users to interact with text generation large language models, image generation engines, and text-to-speech voice models. Prior to version 1.17.0, a path traversal vulnerability i

How urgent is CVE-2026-34523?

Priority 38/100. Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-34524 HIGH 8.3 UPGRADE SillyTavern is a locally installed user interface that allows users to interact with text generation large lan
CVE-2026-34522 HIGH 8.1 UPGRADE SillyTavern is a locally installed user interface that allows users to interact with text generation large lan
CVE-2026-34526 MEDIUM 5.0 UPGRADE SillyTavern is a locally installed user interface that allows users to interact with text generation large lan

References

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