CVE-2026-13446
Hard-coded credentials in IBM Langflow OSS allow authentication bypass and unauthorized access
Is CVE-2026-13446 being exploited?
Not confirmed. CVE-2026-13446 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 0.38% probability of exploitation in the next 30 days.
How severe is CVE-2026-13446?
CVE-2026-13446 is rated Critical with a CVSS score of 9.8. 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-2026-13446?
Yes. A fix has been recorded for CVE-2026-13446. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-13446 affect?
CVE-2026-13446 affects IBM Langflow OSS 1.0.0 - 1.10.1. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-13446?
Isolate instances, revoke/rotate embedded creds, restrict access, apply vendor patch when available
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Embedded credentials permit remote authentication bypass, unauthorized access to services/data, privilege escalation and lateral movement.
Immediate action required
- affected>= 1.0.0 and <= 1.10.1
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.