CVE-2026-73519
Hard-coded cluster secret in WolfStack allows unauthenticated auth bypass and root exec in containers.
Is CVE-2026-73519 being exploited?
Not confirmed. CVE-2026-73519 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.79% probability of exploitation in the next 30 days.
How severe is CVE-2026-73519?
CVE-2026-73519 is rated Critical with a CVSS score of 9.3. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-73519?
Yes. A fix has been recorded for CVE-2026-73519. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-73519 affect?
CVE-2026-73519 affects WolfStack < 25.9.2, WolfStack management API (management port), Docker containers on affected hosts, LXC containers on affected hosts. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-73519?
Upgrade to WolfStack 25.9.2, restrict management port access, rotate secrets, audit container activity.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated attackers can bypass auth via X-WolfStack-Secret, enumerate Docker/LXC containers and execute arbitrary commands as root inside containers via API.
Immediate action required
- affected< 25.9.2
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.