CVE-2026-57744

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-07-13. a secondary CVSS source baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 9.8Exploit: NoneExposed: 0

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

Deserialization of Untrusted Data vulnerability in stmcan RT-Theme 18 | Extensions rt18-extensions allows Object Injection.This issue affects RT-Theme 18 | Extensions: from n/a through <= 2.5.

CVSS v3
9.8
EG Score
9.8(high)
EPSS
23.3%
KEV
Not listed

Published

July 13, 2026

Last Modified

July 13, 2026

Advisory Details (1)

Auto-updated Jul 13, 2026
Patch available.
generic Patch Available

PHP Object Injection in WordPress RT-Theme 18 | Extensions Plugin - Patchstack

https://patchstack.com/database/Wordpress/Plugin/rt18-extensions/vulnerability/wordpress-rt-theme-18-extensions-plugin-2-5-php-object-injection-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-57744(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.

Data Freshness Timeline

(refreshed 37× in last 7d / 37× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-15 22:19 UTCEG score recompute
  2. 2026-07-15 22:19 UTCGHSA enrichment
  3. 2026-07-15 18:18 UTCEG score recompute
  4. 2026-07-15 18:18 UTCGHSA enrichment
  5. 2026-07-15 16:57 UTCEPSS rescore
  6. 2026-07-15 16:57 UTCEPSS rescore
  7. 2026-07-15 14:17 UTCEG score recompute
  8. 2026-07-15 14:17 UTCGHSA enrichment
  9. 2026-07-15 10:14 UTCEG score recompute
  10. 2026-07-15 10:14 UTCGHSA enrichment
  11. 2026-07-15 06:13 UTCEG score recompute
  12. 2026-07-15 06:13 UTCGHSA enrichment
  13. 2026-07-15 02:11 UTCEG score recompute
  14. 2026-07-15 02:11 UTCGHSA enrichment
  15. 2026-07-15 02:00 UTCEPSS rescore
  16. 2026-07-15 02:00 UTCEPSS rescore
  17. 2026-07-14 22:11 UTCEG score recompute
  18. 2026-07-14 22:11 UTCGHSA enrichment
  19. 2026-07-14 18:08 UTCEG score recompute
  20. 2026-07-14 18:08 UTCGHSA enrichment
  21. 2026-07-14 14:07 UTCEG score recompute
  22. 2026-07-14 14:07 UTCGHSA enrichment
  23. 2026-07-14 10:06 UTCEG score recompute
  24. 2026-07-14 10:06 UTCGHSA enrichment
  25. 2026-07-14 06:05 UTCEG score recompute
Show 12 more
  1. 2026-07-14 06:05 UTCGHSA enrichment
  2. 2026-07-14 02:02 UTCEG score recompute
  3. 2026-07-14 02:02 UTCGHSA enrichment
  4. 2026-07-13 22:31 UTCEPSS rescore
  5. 2026-07-13 21:59 UTCEG score recompute
  6. 2026-07-13 21:59 UTCGHSA enrichment
  7. 2026-07-13 17:58 UTCEG score recompute
  8. 2026-07-13 17:58 UTCGHSA enrichment
  9. 2026-07-13 13:57 UTCEG score recompute
  10. 2026-07-13 13:57 UTCGHSA enrichment
  11. 2026-07-13 09:56 UTCEG score recompute
  12. 2026-07-13 09:52 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-57744?
CVE-2026-57744 is a critical vulnerability published on July 13, 2026. Deserialization of Untrusted Data vulnerability in stmcan RT-Theme 18 | Extensions rt18-extensions allows Object Injection.This issue affects RT-Theme 18 | Extensions: from n/a through <= 2.5.
When was CVE-2026-57744 disclosed?
CVE-2026-57744 was first published in the National Vulnerability Database on July 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-57744 actively exploited?
CVE-2026-57744 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 23.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-57744?
CVE-2026-57744 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-57744?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-57744, 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-2026-57744

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