CVE-2026-16971
DFIR-IRIS Missing Brute Force Protection in OTP Validation
The IRIS web application in version 2.4.26 and possibly others does not protect its MFA validation against brute-force attacks.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
5.9
DFIR-IRIS Missing Brute Force Protection in OTP Validation
The IRIS web application in version 2.4.26 and possibly others does not protect its MFA validation against brute-force attacks.
- Record
CVE-2026-16971- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-770
- Updated
- 2026-11-02
EUVDEUVD-2026-51072
5.9
The IRIS web application in version 2.4.26 and possibly others does not protect its MFA validation against brute-force attacks.
- Record
EUVD-2026-51072- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-rgg5-4fcv-9382
5.9
The IRIS web application in version 2.4.26 and possibly others does not protect its MFA...
The IRIS web application in version 2.4.26 and possibly others does not protect its MFA validation against brute-force attacks.
- Record
GHSA-rgg5-4fcv-9382- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-770
- Updated
- 2026-11-02
NVD
5.9
The IRIS web application in version 2.4.26 and possibly others does not protect its MFA validation against brute-force attacks.
- Record
CVE-2026-16971- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-770
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-16971 is a medium vulnerability (CVSS 5.9) in Dfir-iris Iris-web, published July 30, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.33%, the 26th percentile. No source names a fixed version.