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Vulnerabilities

Vulnerability · CVE-2026-115968

Deserialization of Untrusted Data vulnerability in Ultimate Member Ultimate Member ultimate-member allows Object Injection.This issue affects Ultimate Member: from n/a through 2.13

Published Oct 28, 2026 · catalog updated Oct 28, 2026 · Ultimate Member Ultimate Member

Last checked Nov 4, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-115968. EPSS is 0.41%. Act only if a listed version of Ultimate Member Ultimate Member is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Critical9.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.41%
Remediation
Version ranges on file
Affected products
stated Ultimate Member · vendor Ultimate Member · vendor Ultimate Member Ultimate Member

Deserialization of Untrusted Data vulnerability in Ultimate Member Ultimate Member ultimate-member allows Object Injection.This issue affects Ultimate Member: from n/a through 2.13.1.

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 Ultimate Member<= 2.13.1
  • vendor Ultimate Memberversion unspecified
  • vendor Ultimate Member Ultimate Memberversion unspecified

How to fix CVE-2026-115968

What to do

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

Should you patch?

No confirmed exploitation is on record for CVE-2026-115968. EPSS is 0.41%. Act only if a listed version of Ultimate Member Ultimate Member is installed.

Which versions are affected?

Compare what you have installed with Ultimate Member <= 2.13.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-502: Deserialization of Untrusted Data. EPSS 0.41%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

WordPress security

Code

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

Timeline

Detection, updates, and resolution for this record.

  1. Oct 28, 2026 · EUVD

    Detected

    Deserialization of Untrusted Data vulnerability in Ultimate Member Ultimate Member ultimate-member allows Object Injection.This issue affects Ultimate Member: from n/a through 2.13.1.

  2. Oct 28, 2026 · CVE.org

    Updated

    Deserialization of Untrusted Data vulnerability in Ultimate Member Ultimate Member ultimate-member allows Object Injection.This issue affects Ultimate Member: from n/a through 2.13.1.

Sources

  • CVE.orgVulnerability recordCVE-2026-115968

    Deserialization of Untrusted Data vulnerability in Ultimate Member Ultimate Member ultimate-member allows Object Injection.This issue affects Ultimate Member: from n/a through 2.13.1.

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-115968

    30-day exploitation probability 0.41%

    first.org
  • EUVDVulnerability recordEUVD-2026-112120

    Deserialization of Untrusted Data vulnerability in Ultimate Member Ultimate Member ultimate-member allows Object Injection.This issue affects Ultimate Member: from n/a through 2.13.1.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 4, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 4, 2026
  • CVE.orgOct 28, 2026
  • EUVDOct 28, 2026