ThingsBoard contains a prototype pollution vulnerability which may lead to arbitrary code execution within a sandboxed context by a user who can log in to the affected product with the tenant administrator privilege (TENANT_ADMIN).
CVE-2026-53676
HIGHPre-NVD 7.27.2—Trending — 3 sources updated this week
EchelonGraph scoreHIGH confidence
Score 7.2 from GitHub Security Advisory (severity: HIGH) published 2026-06-18. a secondary CVSS source baseline 7.2; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
7.2
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 7.2Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.2
- EG Score
- 7.2(high)
- EPSS
- 44.5%
- KEV
- Not listed
Published
June 17, 2026
Last Modified
June 22, 2026
Advisory Details (3)
Auto-updated Jun 17, 2026Upstream fix merged — awaiting tagged release. Sources: github_pr.
github_pr
Hardened remote JS executor script invocation
Fix merged in thingsboard/thingsboard PR #15600 on 2026-05-14 — awaiting tagged release
https://github.com/thingsboard/thingsboard/pull/15600Vendor Advisories for CVE-2026-53676(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Frequently asked(5)
What is CVE-2026-53676?
CVE-2026-53676 is a high vulnerability published on June 17, 2026. ThingsBoard contains a prototype pollution vulnerability which may lead to arbitrary code execution within a sandboxed context by a user who can log in to the affected product with the tenant administrator privilege (TENANT_ADMIN).
When was CVE-2026-53676 disclosed?
CVE-2026-53676 was first published in the National Vulnerability Database on June 17, 2026, with the most recent update on June 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-53676 actively exploited?
CVE-2026-53676 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 44.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-53676?
CVE-2026-53676 has a CVSS v3 base score of 7.2 (NVD).
How do I remediate CVE-2026-53676?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-53676, 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-2026-53676
Is Your Infrastructure Affected by CVE-2026-53676?
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