CVE-2026-85486: Brocade ASCG before 3.5.0 improperly processes user input by evaluating form data prior to validation
CVE-2026-85486 is a high-severity flaw (CVSS 8.0) affecting brocade active support connectivity gateway. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Brocade ASCG before 3.5.0 improperly processes user input by evaluating form data prior to validation. When an authenticated user submits a configuration form, the submitted text could immediately be processed. A malicious actor with basic access can supply crafted input to execute arbitrary code on the server and take control of the application.
Why this priority
- High severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 8.0 (High) |
| Attack vector | Adjacent network |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 78%) |
| CISA exploited list | No |
| Weakness | CWE-95 |
| Published | 2026-10-08 |
| Last modified | 2026-10-14 |
Last updated 2026-10-14 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-85486?
brocade active support connectivity gateway: upgrade to 3.5.0. Exact commands for each OS are on this page.
Is CVE-2026-85486 being exploited?
CVE-2026-85486 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-85486 affect?
CVE-2026-85486 affects brocade active support connectivity gateway. Severity is high (CVSS 8.0). Brocade ASCG before 3.5.0 improperly processes user input by evaluating form data prior to validation. When an authenticated user submits a configuration form, the submitted text could immediately be processed. A malicious actor with basic
How urgent is CVE-2026-85486?
Priority 33/100. High severity
Related CVEs
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- CVE-2026-87428 HIGH 7.8 UPGRADE In Brocade ASCG before 3.5.0, a local unauthorized user on the ASCG VM who can issue a request to the SANnav
- CVE-2026-87426 MEDIUM 4.3 UPGRADE An unauthenticated network-based attacker can query specific internal management endpoints on Brocade ASCG ver
- CVE-2026-87425 MEDIUM 6.8 UPGRADE An unauthenticated remote attacker can modify the TLS client trust store in Brocade ASCG versions before 3.5.0