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GHSA-g26x-m427-f48f

MediumCVSS 6.3 / 10
Published Sep 22, 2026·Last modified Sep 22, 2026
Affected Components(1)
Go logogithub.com/hatchet-dev/hatchet
< 0.91.1
Description

Summary

The GET /api/v1/stable/durable-tasks/{durable-task} endpoint (listDurableEventLog) is missing tenant authorization validation, allowing any authenticated user to read durable task event logs from any tenant.

Impact

This CVE requires the attacker to successfully guess the target UUID. Any authenticated Hatchet user can read durable task event logs from any other tenant, exposing:

  • Task display names and workflow identifiers
  • User messages (may contain sensitive business data)
  • Wait conditions and branching logic
  • Timing information
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Risk Scores
Base Score
6.3

The vulnerability can be exploited over the network without needing physical access. It is difficult for an attacker to exploit this vulnerability and may require special conditions. An attacker needs basic access or low-level privileges. No user interaction is needed for the attacker to exploit this vulnerability. The vulnerability can affect other systems as well, not just the initial system. There is a high impact on the confidentiality of the information.

Threat Intelligence
5.8

Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.

EPSS
0.31%

The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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