CVE-2026-88837

Published: September 26, 2026Last modified: October 21, 2026

Description

BusyBox httpd treats yescrypt ($y$) password hashes as plaintext during Basic Authentication, inverting the authentication check.

Severity score breakdown

ParameterValue
Base score6.5
Attack VectorNETWORK
Attack complexityHIGH
Privileges requiredNONE
User interactionNONE
ScopeUNCHANGED
ConfidentialityHIGH
Integrity impactLOW
Availability impactNONE
VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N

Notes

httpd is included only as part of busybox-extras.

Status

ProductReleasePackageStatus
Alpaquita Linux23 LTSbusyboxUnknown (1.35.0-r29)
25 LTSbusyboxUnknown (1.37.0-r20)
StreambusyboxUnknown (1.36.1-r1)
Hardened Containers23 LTSbusyboxNot affected (1.35.0-r29)
25 LTSbusyboxNot affected (1.37.0-r20)
StreambusyboxNot affected (1.36.1-r1)

References

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