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Vulnerabilities

Vulnerability · CVE-2026-48969

Missing Authorization

Published Jun 15, 2026 · catalog updated Jun 15, 2026 · Really Simple Plugins B.V. Really Simple SSL

Patch now

CVE-2026-48969 is in the CISA known-exploited catalog. Confirm Really Simple Plugins B.V. Really Simple SSL against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
0.30%
Remediation
Remediation guidance
Affected products
stated Really Simple SSL · vendor Really Simple Plugins B.V. Really Simple SSL

Subscriber Broken Access Control in Really Simple SSL <= 9.5.9 versions.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • stated Really Simple SSL<= 9.5.9
  • vendor Really Simple Plugins B.V. Really Simple SSLversion unspecified

How to fix CVE-2026-48969

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2026-48969 is in the CISA known-exploited catalog. Confirm Really Simple Plugins B.V. Really Simple SSL against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with Really Simple SSL <= 9.5.9. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 0.30%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 15, 2026 · VulnCheck KEV

    Detected

    Subscriber Broken Access Control in Really Simple SSL <= 9.5.9 versions.

  2. Jun 15, 2026 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Sources

  • CVE.orgVulnerability recordCVE-2026-48969

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-48969

    30-day exploitation probability 0.3%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2026-48969

    Subscriber Broken Access Control in Really Simple SSL <= 9.5.9 versions.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.