Medium [CVE-2026-88837] httpd misidentifies yescrypt password hashes as plaintext, inverting authentication
This medium-severity Red Hat Linux advisory covers CVE-2026-88837; related products: Red Hat Hardened Images.
Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.
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Summary
httpd misidentifies yescrypt password hashes as plaintext, inverting authentication. Red Hat rates this moderate (CVSS 6.5).
Weakness: CWE-305. Red Hat lists fixing advisory RHSA-2026:72111 with package busybox-main-1.37.0-9.1.hum1.
Affected product named by the advisory: Red Hat Hardened Images.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 10 days ago·verify at source
- busybox-main-1.37.0-9.1.hum1
- RHSA-2026:72111
Official advisory · high-confidence parse· fetched 10 days ago·verify at source
Mitigation checklist
- Do not use BusyBox httpd for password-protected resources. If it must be used, configure authentication with SHA-512 ($6$) hashes, which are correctly detected. Upstream should update the hash detection logic to recognize the $y$ prefix.
Official advisory · high-confidence parse· fetched 10 days ago·verify at source
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