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F5 BIG-IP CVE-2026-35062

| EUVDEUVD-2026-29965 HIGH
Incorrect Privilege Assignment (CWE-266)
2026-05-13 f5 GHSA-v5r2-235p-jc3x
7.1
CVSS 4.0 · Vendor: f5
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Severity by source

Vendor (f5) PRIMARY
7.1 HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/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

Primary rating from Vendor (f5) · only source for this CVE.

CVSS VectorVendor: f5

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/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
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

5
Re-analysis Queued
May 13, 2026 - 16:22 vuln.today
cvss_changed
Severity Changed
May 13, 2026 - 16:22 NVD
MEDIUM HIGH
CVSS changed
May 13, 2026 - 16:22 NVD
6.5 (MEDIUM) 7.1 (HIGH)
Analysis Generated
May 13, 2026 - 15:52 vuln.today
CVE Published
May 13, 2026 - 14:12 nvd
MEDIUM 6.5

DescriptionCVE.org

An authenticated iControl SOAP user may be able to obtain information of other accounts.

Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

AnalysisAI

Authenticated users of F5 BIG-IP iControl SOAP interface can access account information belonging to other users due to insufficient access controls. The vulnerability affects BIG-IP systems where iControl SOAP is accessible and requires valid authentication credentials to exploit, allowing attackers with legitimate access to enumerate or retrieve confidential account details beyond their authorization scope.

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Obtain valid iControl SOAP credentials
Delivery
Authenticate to management interface
Exploit
Query SOAP endpoint for account list
Execution
Enumerate account metadata
Impact
Extract confidential information from other users

Vulnerability AssessmentAI

Exploitation Valid iControl SOAP authentication credentials are strictly required (CVSS PR:L enforces this). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment CVSS 6.5 with vector AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N indicates networked exploitation requiring only low-complexity, legitimate credentials, with high confidentiality impact but no integrity or availability impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An internal network administrator or developer with valid iControl SOAP credentials authenticates to a BIG-IP management interface and programmatically queries the SOAP API for account or configuration data. Due to missing authorization checks, the endpoint returns information for accounts beyond the requester's scope, including usernames, email addresses, or configuration metadata of other administrators. …
Remediation Apply the vendor-released patch from F5 via advisory K000159021 (https://my.f5.com/manage/s/article/K000159021). … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-35062 vulnerability details – vuln.today

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