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TI-2026-32550 Aliases CVE-2026-44650GHSA-886q-f44j-h6wh

SillyTavern: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Priority HIGH 78CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub.

Summary

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 1.18.0, POST /api/extensions/delete endpoint accepts extensionName: "." which bypasses sanitize-filename validation, causing the entire user extensions directory to be recursively deleted. No authentication is required in the default configuration. This vulnerability is fixed in 1.18.0.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00567 47th percentileScored 2026-11-07
Fix Fixed SillyTavern (SillyTavern): 1.18.0sillytavern (npm): 1.18.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SillyTavernSillyTavernbefore 1.18.01.18.0Patch availableCNA
—sillytavern (npm)before 1.18.01.18.0Patch availableGHSA-886q-f44j-h6wh
  • SillyTavern VendorSillyTavern Affected before 1.18.0 Fixed in 1.18.0 Patch available CNA
  • sillytavern (npm) Vendor— Affected before 1.18.0 Fixed in 1.18.0 Patch available GHSA-886q-f44j-h6wh

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:sillytavern:sillytavern:*:*:*:*:*:*:*:*——SillyTavern
  • cpe:2.3:a:sillytavern:sillytavern:*:*:*:*:*:*:*:* Versions — — ·SillyTavern

Remediation

  • Fix · CNA SillyTavern (SillyTavern) Fixed in 1.18.0
  • Fix · GHSA-886q-f44j-h6wh sillytavern (npm) Fixed in 1.18.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-44650
  2. 2026-10-03 Alias added: GHSA-886q-f44j-h6wh
  3. 2026-10-25 EPSS moved to the below the 50th percentile

References

Other 3

  • TI-2026-32549 SillyTavern: Authentication Bypass via SSO Header Injection CVSS 3.1CRITICAL 9.8
  • TI-2025-36763 SillyTavern Web Interface Vulnerable to DNS Rebinding CVSS 3.1CRITICAL 9.7
  • TI-2026-26773 Path traversal in SillyTavern CVSS 3.1HIGH 8.8
  • TI-2026-34089 SillyTavern: SSRF in SearXNG Search Proxy via Unvalidated baseUrl CVSS 3.1HIGH 8.5
  • TI-2026-70544 Pre-authentication denial of service in SillyTavern via body parsing CVSS 4.0HIGH 8.2
  • TI-2026-32548 SillyTavern: Existing sessions are not invalidated after password change, allowing session reuse and account takeover CVSS 3.1HIGH 7.5
See all 12 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences