CVE-2026-8052 (GCVE-0-2026-8052)

Vulnerability from cvelistv5 – Published: 2026-05-12 19:09 – Updated: 2026-05-12 20:22
VLAI
Title
Nomad's exec2 task driver vulnerable to arbitrary file read/write on client host through symlink attack
Summary
HashiCorp Nomad’s exec2 task driver prior to 0.1.2 is vulnerable to arbitrary file read and write on the client host as the Nomad process user through a symlink attack. This vulnerability (CVE-2026-8052) is fixed in version 0.1.2 of the exec2 task driver.
Severity
6 (Medium)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N
CWE
  • CWE-59 - Improper Link Resolution Before File Access (Link Following)
Assigner
References
Impacted products
Vendor Product Version
HashiCorp Shared library Affected: 0.1.0 , < 0.1.2 (semver)
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Credits
This issue was identified by the Nomad engineering team in conjunction with Alex Manson (Aiven / NeuroWinter).
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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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