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Critical StrongDM Vulnerability Enables Authentication Token Theft

First seen 2 Jun 2026, 08:23 UTC • •
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ThreatCluster AI
ThreatCluster •June 3, 2026 at 07:54 UTC
  • •CVE-2026-4387 allows theft and reuse of authentication tokens in StrongDM.
  • •The vulnerability affects StrongDM desktop and CLI versions before 23.74.0 and 53.77.0.
  • •Organizations are advised to update immediately to the patched versions to prevent unauthorized access.

A critical vulnerability in StrongDM's desktop application, tracked as CVE-2026-4387, allows attackers to steal and reuse authentication tokens, potentially compromising sensitive enterprise infrastructure. Discovered by SpecterOps during a security assessment, this flaw affects StrongDM desktop and CLI environments prior to version 23.74.0 and 53.77.0, respectively. Organizations using these versions are at significant risk of unauthorized access. The vulnerability was published on May 29, 2026, and has been patched in the latest software releases. Security teams are urged to update their systems immediately to mitigate potential exploitation.

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Updated 111d ago How this analysis works

Timeline

2026-05-29
CVE-2026-4387 published
A critical authentication vulnerability in StrongDM was disclosed, allowing token theft.
Cybersecuritynews
2026-06-02
Vulnerability disclosed by SpecterOps
SpecterOps identified the flaw during a security assessment, prompting an urgent patch release.
Gbhackers

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