CVE-2026-35062Network attack vector

Cross-account information disclosure via iControl SOAP

Published May 13, 2026 · Updated May 13, 2026

Incorrect privilege assignment in F5 BIG-IP iControl SOAP allows remote authenticated users to read information from other accounts. F5 has not disclosed which SOAP method or authorization decision returns data belonging to a different account. Reachability requires valid iControl SOAP credentials; the reported consequence is cross-account information disclosure without integrity or availability impact.

CVSS severity7.1
High
EPSS probability0.25%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Incorrect privilege assignment in F5 BIG-IP iControl SOAP allows remote authenticated users to read information from other accounts. F5 has not disclosed which SOAP method or authorization decision returns data belonging to a different account. Reachability requires valid iControl SOAP credentials; the reported consequence is cross-account information disclosure without integrity or availability impact.

The record

CVE
CVE-2026-35062
Published
May 13, 2026
Updated
May 13, 2026
Vendor
F5 Networks
Product
BIG-IP
Classifications
CWE-266
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 13, 2026CVE publishedPublication date reported by the CVE source.
  2. May 13, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=16.1.0 <*
  2. Affected versionversion=17.1.0 <17.1.3.1
  3. Affected versionversion=17.5.1 <17.5.1.4
  4. Affected versionversion=21.0.0 <21.0.0.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

F5 Networks · BIG-IPversion=16.1.0 <*; version=17.1.0 <17.1.3.1; version=17.5.1 <17.5.1.4; version=21.0.0 <21.0.0.1

Published CVSS scores

6.5F5 NetworksCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
7.1F5 NetworksCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-266Incorrect Privilege Assignment

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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