CVE-2026-88837
MEDIUMCVSS 6.5/10EPSS 0.22%
Last modified
CVE-2026-88837 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. BusyBox httpd treats yescrypt ($y$) password hashes as plaintext during Basic Authentication, inverting the authentication check.. EPSS estimates a 0.22% chance of exploitation in the next 30 days.
Description
BusyBox httpd treats yescrypt ($y$) password hashes as plaintext during Basic Authentication, inverting the authentication check.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | Red Hat Hardened Images | All versions |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
What is CVE-2026-88837?
BusyBox httpd treats yescrypt ($y$) password hashes as plaintext during Basic Authentication, inverting the authentication check.
How severe is CVE-2026-88837?
CVE-2026-88837 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.22% probability of exploitation in the next 30 days.
How do I fix CVE-2026-88837?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-88831BusyBox httpd IP deny rules with invalid CIDR prefix lengths…5.3
- CVE-2026-88832BusyBox romfs volume ID parsing uses unbounded strlen on att…7.3
- CVE-2026-88833A flaw was found in BusyBox's udhcpc DHCP client. When proce…6.5
- CVE-2026-88834A flaw was found in BusyBox's httpd web server. When configu…3.7
- CVE-2026-88835BusyBox dpkg read_package_field() steps past a NUL terminato…6.1
- CVE-2026-88836Rejected reason: Red Hat Product Security determined this is…
- CVE-2026-88838A flaw was found in BusyBox's mount utility. A non-root user…5.5
- CVE-2026-88839BusyBox passwd/group tokenize() references a stale endpoint …6.7
- CVE-2026-8884The Instant-Quote.co Quotation Page plugin for WordPress is …6.4
- CVE-2026-88840BusyBox TLS get_client_hello() reads past the end of the inp…5.3
- CVE-2026-88842A flaw was found in BusyBox dpkg. The write_status_file() fu…3.3
- CVE-2026-88843The MasterStudy LMS WordPress Plugin WordPress plugin befor…7.2
Are you affected by CVE-2026-88837?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST