01 Record
CVE-2026-87670
An authorization logic vulnerability exists in the Brocade Fabric OS versions before 10.0.1 REST API gateway. The internal gate guarding restricted management endpoints relies exclusively on
MediumPUBLISHEDCNA: brocade
CNA base score5.1 CVSS v4.0CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
02 Description
An authorization logic vulnerability exists in the Brocade Fabric OS versions before 10.0.1 REST API gateway. The internal gate guarding restricted management endpoints relies exclusively on
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.17% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 6.8% of scored records. A rank, not a probability.
- NVD base score
- 5.1 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-10-13.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-10-08 02:51Z21 DAYS AGO
- Last updated
- 2026-10-08 13:15Z20 DAYS AGO
- Reserved
- 2026-09-08
- Assigning CNA
- brocade
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.1)
- CNA CVSS vector
- CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
- Weaknesses
- CWE-290Authentication Bypass by SpoofingBase
- Data version
- 5.2
- Document digest
- c9667ead2a282595c68c7d5b93f56207a0b46a989c29e3b0f5940861af3c6d05
05 Affected products
VendorProductVersionsPlatforms
06 References
- support.broadcom.comhttps://support.broadcom.com/external/content/SecurityAdvisories/0/39140
07 Remediation
Security update is provided in Brocade Fabric OS 10.0.1