CVE-2026-34523 json
SillyTavern: Path traversal allows file existence oracle
published 2026-04-01 7 mo ago modified 2026-07-24 3 mo ago also EUVD-2026-18440 , GHSA-525j-2hrj-m8fp
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 40%
- public exploits
- 0
- none known
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 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 file routes, an attacker can check for the existence of files. This issue has been patched in version 1.17.0.
Patch / fix
- npm sillytavern 1.17.0
- sillytavern sillytavern 1.17.0
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 7 mo ago
Exploit prediction
0.47% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/SillyTavern/SillyTavern/security/advisories/GHSA-525j-2hrj-m8fp referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| GitHub | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | sillytavern | <1.17.0 |
1.17.0 |
Affected products
- SillyTavern SillyTavern
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
github.com
/SillyTavern/SillyTavern/security/advisories/GHSA-525j-2hrj-m8fp
web, exploit, vendor-advisory
-
github.com
/SillyTavern/SillyTavern/releases/tag/1.17.0
web, release-notes
-
nvd.nist.gov
/vuln/detail/CVE-2026-34523
advisory
-
github.com
/SillyTavern/SillyTavern
package
Sources
- CVE List CVE-2026-34523
- GitHub Advisory GHSA-525j-2hrj-m8fp
- NVD CVE-2026-34523
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.