CVE-2026-420634.9MediumCWE-552

CVE-2026-42063: iControl SOAP vulnerability

F5 · BIG-IP

Vendor fix available · Affected: F5 BIG-IP · Exploitation: unlikely (under 1%)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

0.3%probability of exploitation in the next 30 days

21st percentile

050100

Higher than 21% of scored CVEs

4.9MediumCVSS 3.1

LowMediumHighCrit.

DescriptionCVE.org

A vulnerability exists in iControl SOAP where an authenticated attacker with the Resource Administrator or Administrator role can download sensitive files. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected products1

From the CVE record. A product or version that is not listed is unknown, not unaffected.

F5 · BIG-IPfrom 21.0.0 before 21.0.0.2; from 17.5.0 before 17.5.1.6; from 17.1.0 before 17.1.3.2; 16.1.0

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas

Exploitation: Unlikely (under 1%). EPSS under 1%, or no score yet.
CISA KEV: Not listed
Public check: No public nuclei template
Weakness: Files or Directories Accessible to External Parties · File and Path Handling
Vendor: F5
Published: May 2026
Band: Unlikely (under 1%), May 2026

CoverageNo articles yet

No CyberSIXT article names CVE-2026-42063 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.