Is CVE-2026-108545 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-108545 being exploited in the wild.

How severe is CVE-2026-108545?

Medium severity, with a CVSS score of 5.9, published 10 October 2026.

Which products and versions are affected?

SillyTavern 1.12.13 through 1.19.0.

Is there a fix for CVE-2026-108545?

No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

How is CVE-2026-108545 attacked?

It is attacked over the network.

Am I affected by CVE-2026-108545?

Check whether you run SillyTavern at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-108545: SillyTavern denial of service via body-parser

CVE-2026-108545 · Severity: medium · CVSS 5.9 · Published 2026-10-10

SillyTavern is an LLM frontend application that processes user requests through a web interface. A vulnerability in how it handles incoming data allows attackers to send large requests without authentication, exhausting server memory and CPU to crash the service and prevent legitimate users from accessing the application.

Vendors: SillyTavern.

Quick answers

Is CVE-2026-108545 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-108545 being exploited in the wild.
How severe is CVE-2026-108545?: Medium severity, with a CVSS score of 5.9, published 10 October 2026.
Which products and versions are affected?: SillyTavern 1.12.13 through 1.19.0.
Is there a fix for CVE-2026-108545?: No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-108545 attacked?: It is attacked over the network.
Am I affected by CVE-2026-108545?: Check whether you run SillyTavern at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

Body-parser middleware in SillyTavern processes incoming JSON and URL-encoded request bodies before authentication and whitelist validation occurs. An unauthenticated attacker can send requests with compressed or uncompressed payloads up to 500 MB, optionally in parallel, to exhaust memory and CPU resources and cause denial of service.

Affected products

SillyTavern SillyTavern 1.12.13 through 1.19.0

Timeline

2026-10-10: disclosed

References

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