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TI-2026-26773 Aliases CVE-2026-34524GHSA-vprr-q85p-79mf

Path traversal in SillyTavern

Priority HIGH 73CWE-22Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. 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 version 1.17.0, a path traversal vulnerability in chat endpoints allows an authenticated attacker to read and delete arbitrary files under their user data root (for example secrets.json and settings.json) by supplying avatar_url="..". This issue has been patched in version 1.17.0.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0058 47th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed SillyTavern (SillyTavern): 1.17.0sillytavern (npm): 1.17.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

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 1.17.01.17.0Patch availableCNA
—sillytavern (npm)before 1.17.01.17.0Patch availableGHSA-vprr-q85p-79mf
  • SillyTavern VendorSillyTavern Affected before 1.17.0 Fixed in 1.17.0 Patch available CNA
  • sillytavern (npm) Vendor— Affected before 1.17.0 Fixed in 1.17.0 Patch available GHSA-vprr-q85p-79mf

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:sillytavern:sillytavern:*:*:*:*:*:node.js:*:*before 1.17.0VulnerableSillyTavern
  • cpe:2.3:a:sillytavern:sillytavern:*:*:*:*:*:node.js:*:* Versions before 1.17.0 Vulnerable ·SillyTavern

Remediation

  • Fix · CNA SillyTavern (SillyTavern) Fixed in 1.17.0
  • Fix · GHSA-vprr-q85p-79mf sillytavern (npm) Fixed in 1.17.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-34524
  2. 2026-10-03 Alias added: GHSA-vprr-q85p-79mf

References

Exploit 1

Advisory 1

Other 2

  • TI-2026-26771 SillyTavern: Path traversal in `/api/chats/import` allows arbitrary file write outside intended chat directory CVSS 3.1HIGH 8.1
  • TI-2026-21254 SillyTavern has Server-Side Request Forgery (SSRF) via Asset Download Endpoint that Allows Reading Internal Services CVSS 4.0HIGH 7.1
  • TI-2026-26772 SillyTavern: Path traversal allows file existence oracle CVSS 3.1MEDIUM 5.3
  • TI-2026-26775 SillyTavern: Incomplete IP validation in /api/search/visit allows SSRF via localhost and IPv6 CVSS 3.1MEDIUM 5.0

Sources

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