The cause of the flaw has at the time of writing not been shared by the vendor.

CVE-2026-10520: An OS command injection vulnerability that allows a remote unauthenticated attacker to execute arbitrary commands with root privileges on affected devices.

CVE-2026-10523: An authentication bypass vulnerability that allows a remote unauthenticated attacker to create arbitrary administrative accounts and gain full administrative access A proof-of-concept exploit is available to the public[2].

CVE

CVE-2026-10520

CVE-2026-10523

Affected Products

Ivanti Sentry versions prior to R10.5.2, R10.6.2 and R10.7.1[1].

Exploitation

At the time of disclosure, Ivanti stated that it was not aware of any customers being exploited by these vulnerabilities[1].

Recommended Actions

Truesec recommends that if you are effected, upgrade Ivanti Sentry to versions 10.5.2, 10.6.2 and 10.7.1 as soon as possible.

The versions are found here[1]:

10.5.2:
New Sentry Instance: https://support.mobileiron.com/mi/sentry/10.5.2-3/sentry-mobileiron-10.5.2-3.iso
Updating existing Sentry appliance: https://support.mobileiron.com/mi/sentry/10.5.2-3/

10.6.2:
New Sentry Instance: https://support.mobileiron.com/mi/sentry/10.6.2-4/sentry-mobileiron-10.6.2-4.iso
Updating existing Sentry appliance: https://support.mobileiron.com/mi/sentry/10.6.2-4/

10.7.1:
New Sentry Instance: https://support.mobileiron.com/mi/sentry/10.7.1-3/sentry-mobileiron-10.7.1-3.iso
Updating existing Sentry appliance: https://support.mobileiron.com/mi/sentry/10.7.1-3/

References

[1] https://hub.ivanti.com/s/article/Security-Advisory-Ivanti-Sentry-CVE-2026-10520-CVE-2026-10523?language=en_US

[2] https://labs.watchtowr.com/more-evidence-that-words-dont-mean-what-we-thought-they-meant-ivanti-sentry-pre-auth-os-command-injection-cve-2026-10520/