CVE-2021-47688

5.7 mediumEPSS 0.2%

Medium (5.7). EPSS 0.2% chance of exploitation in the next 30 days.

In WhiteBeam 0.2.0 through 0.2.1 before 0.2.2, a user with local access to a server can bypass the allow-list functionality because a file can be truncated in the OpenFileDescriptor action before the VerifyCanWrite action is performed.

Severity

CVSS 3.1

5.7 medium

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 8% of CVEs (scores of 2026-11-01)
CWE: CWE-696
Published: 2025-06-23
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

https://github.com/WhiteBeamSec/WhiteBeam/pull/22
https://github.com/WhiteBeamSec/WhiteBeam/security/advisories/GHSA-3f8r-9483-pfxj
https://github.com/WhiteBeamSec/WhiteBeam/security/policy

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