PatchTheCVECVE-2026-16971: The IRIS web application in version 2.4.26 and possibly others does not protect its MFA validation against bru
CVE-2026-16971 is a medium-severity flaw (CVSS 5.9) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The IRIS web application in version 2.4.26 and possibly others does not protect its MFA validation against brute-force attacks.
Why this priority
- Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 5.9 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 75%) |
| CISA exploited list | No |
| Weakness | CWE-770 |
| Published | 2026-07-30 |
| Last modified | 2026-10-23 |
Last updated 2026-10-23 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-16971?
No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.
Is CVE-2026-16971 being exploited?
CVE-2026-16971 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-16971 affect?
CVE-2026-16971 affects affected software. Severity is medium (CVSS 5.9). The IRIS web application in version 2.4.26 and possibly others does not protect its MFA validation against brute-force attacks.
How urgent is CVE-2026-16971?
Priority 32/100. Remotely exploitable, no login, no user action