CVE-2026-34406
Privilege escalation via writable is_superuser field on edit_user endpoint.
Is CVE-2026-34406 being exploited?
Not confirmed. CVE-2026-34406 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 0.51% probability of exploitation in the next 30 days.
How severe is CVE-2026-34406?
CVE-2026-34406 is rated Critical with a CVSS score of 9.4. 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-2026-34406?
Yes. A fix has been recorded for CVE-2026-34406. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-34406 affect?
CVE-2026-34406 affects APTRS (Automated Penetration Testing Reporting System). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-34406?
Upgrade to version 2.0.1 or later
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Auth bypass: any reachable user can set is_superuser via POST /api/auth/edituser/<pk>, gaining full admin access.
Patch when possible
- affected< 2.0.1
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.