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CVE-2026-34522

29
FAUCET Score

CVE-2026-34522 is a high-severity path traversal vulnerability (CVSS 8.1) affecting SillyTavern, a locally installed user interface, in versions prior to 1.17.0. An authenticated attacker can remotely exploit this flaw with low complexity to write arbitrary files outside the intended chats directory. This can lead to high impact on system integrity and availability, potentially allowing for remote code execution. Currently, there is no evidence of active exploitation or public exploit code available, though the vulnerability has received minor community discussion. Organizations using SillyTavern should update to version 1.17.0 or later to mitigate this risk.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.17.0CPE matchmatch criteria
cpe:2.3:a:sillytavern:sillytavern:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

8.1HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.41%
Probability of exploitation in next 30 days
EPSS Percentile
33.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0041 is in the 21st percentile among its peer group of 17,823 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

npmpatch availablevia ghsa
Product: sillytavernFixed in: 1.17.0
github_advisoryvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

npmGHSA-xvww-xhx6-22pfhigh

SillyTavern has a path traversal in `/api/chats/import` allows arbitrary file write outside intended chat directory

Apr 1, 2026

References

github.com / SillyTavern/SillyTavern/releases/tag/1.17.0
Release Notes
github.com / SillyTavern/SillyTavern/security/advisories/GHSA-xvww-xhx6-22pf
ExploitVendor Advisory