CVE-2026-56055

HIGHPre-NVD 8.88.8
EchelonGraph scoreHIGH confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-06-26. a secondary CVSS source baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Subscriber PHP Object Injection in RealHomes <= 4.5.3 versions.

CVSS v3
8.8
EG Score
8.8(high)
EPSS
31.1%
KEV
Not listed

Published

June 26, 2026

Last Modified

June 26, 2026

Advisory Details (1)

Auto-updated Jun 26, 2026
No patch confirmed yet.

Vendor Advisories for CVE-2026-56055(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Frequently asked(5)

What is CVE-2026-56055?
CVE-2026-56055 is a high vulnerability published on June 26, 2026. Subscriber PHP Object Injection in RealHomes <= 4.5.3 versions.
When was CVE-2026-56055 disclosed?
CVE-2026-56055 was first published in the National Vulnerability Database on June 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-56055 actively exploited?
CVE-2026-56055 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 31.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-56055?
CVE-2026-56055 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-56055?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-56055, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-56055

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