Vulnary
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Critical· 9.1official fix available

CVE-2026-44650

SillyTavern, a local interface for AI models, had a flaw that let anyone delete all extensions by sending a special request. The issue was fixed in version 1.18.0. Users running older versions are at risk.

publishedMay 29, 2026
last modifiedJul 22, 2026
sourcesNVD
severity · cvss
9.1
critical · how bad it is
exploitation · epss
<1%
44th percentile · chance of exploitation in 30 days
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →
auto-deletes from the system
counting…on Aug 24, 2026

An official fix is available, so this entry is kept for 30 days and then removed automatically.

01

Who is affected

SillyTavern users running any version before 1.18.0.

02

Real-world impact

An attacker could erase every extension installed by a user, wiping out custom configurations and potentially disrupting the application’s functionality.

03

Why this severity

The CVSS score of 9.1 reflects that the vulnerability requires no authentication, can completely destroy data (availability), and is easy to exploit locally, making it a critical risk.

04

What to do about it

official fix available
recommended steps
  1. 01Upgrade SillyTavern to version 1.18.0 or later.
  2. 02Restart the SillyTavern service to apply the update.

NVD-referenced vendor advisory

05

Timeline

  1. May 29, 2026 · May 29, 2026
    Published
    Disclosed and added to the National Vulnerability Database.
  2. Jul 22, 2026 · 13d ago
    Advisory updated
    The NVD record was last revised.
  3. Jul 25, 2026 · 10d ago
    Official fix available
    A vendor patch or mitigation now exists — see the remediation steps above.
06

How it’s attacked

Attack vectorNetwork (remote)
Attack complexityLow
Privileges requiredNone
User interactionNone needed
ScopeUnchanged
Confidentiality impactNone
Integrity impactHigh
Availability impactHigh
07

References & advisories

NVD advisory ↗Search advisories ↗
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →