CVE-2025-47775

Public Exploit
Bullfrog's DNS over TCP bypasses domain filtering

Description

Bullfrog is a GithHb Action to block unauthorized outbound traffic in GitHub workflows. Prior to version 0.8.4, using tcp breaks blocking and allows DNS exfiltration. This can result in sandbox bypass. Version 0.8.4 fixes the issue.

Category

6.2
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.01%
Vendor Advisory github.com
Affected: bullfrogsec bullfrog
Published at:
Updated at:

References

Link Tags
https://github.com/bullfrogsec/bullfrog/security/advisories/GHSA-m32f-fjw2-37v3 vendor advisory exploit
https://github.com/bullfrogsec/bullfrog/commit/ae7744ae4b3a6f8ffc2e49f501e30bf1a43d4671 patch
https://github.com/bullfrogsec/bullfrog/releases/tag/v0.8.4 release notes

Frequently Asked Questions

What is the severity of CVE-2025-47775?
CVE-2025-47775 has been scored as a medium severity vulnerability.
How to fix CVE-2025-47775?
To fix CVE-2025-47775, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-47775 being actively exploited in the wild?
It is possible that CVE-2025-47775 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-47775?
CVE-2025-47775 affects bullfrogsec bullfrog.
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