# CVE-2026-73519 — wolfsoftwaresystemsltd WolfStack

> As of 2026-08-13, CVE-2026-73519 is a CRITICAL-severity vulnerability in wolfsoftwaresystemsltd WolfStack, CVSS v3.1 9.8. No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-73519 as of 2026-08-13; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-08-13

## What is CVE-2026-73519?

WolfStack before 25.9.2 contains a hard-coded cluster-authentication secret compiled into every build and published as a constant in src/auth/mod.rs, allowing remote unauthenticated attackers to bypass authentication by supplying this value in the X-WolfStack-Secret header to the require_auth() gate without any session, API key, or user account. Attackers can reach an affected node's management port to enumerate all Docker and LXC containers on the host and execute arbitrary commands as root inside any container via the POST /api/containers/{runtime}/{id}/exec endpoint.

The record classifies CVE-2026-73519 under weakness class [CWE-798](https://intel.threadlinqs.com/cwe/CWE-798). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 54 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 9.8 — CRITICAL (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **CVSS v4.0 base score:** 9.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`)
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 4.9/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-08-12, last modified 2026-08-13

## Is CVE-2026-73519 being exploited?

It currently carries a trending score of 30 in the Threadlinqs vulnerability feed.

## Affected products and versions

- **wolfsoftwaresystemsltd**: WolfStack

## How to fix CVE-2026-73519

No vendor patch reference has been recorded for CVE-2026-73519 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-73519

No threat campaign in the Threadlinqs corpus currently references CVE-2026-73519, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org. Last verified by Threadlinqs on 2026-08-14.

**Vendor advisory and patch**

- [github.com — vendor advisory](https://github.com/wolfsoftwaresystemsltd/WolfStack/security/advisories/GHSA-r3mw-2wmq-j6jg)
- [github.com — release notes](https://github.com/wolfsoftwaresystemsltd/WolfStack/releases?page=7#release-v25.9.2)

**Third-party advisory**

- [vulncheck.com — third party advisory](https://www.vulncheck.com/advisories/wolfstack-hard-coded-secret-authentication-bypass-via-x-wolfstack-secret)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-73519
Full detection coverage and IOCs for threats exploiting CVE-2026-73519 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp