CVE-2026-56049

HIGHPre-NVD 8.58.5—
EchelonGraph scoreHIGH confidence

Score 8.5 from GitHub Security Advisory (severity: HIGH) published 2026-06-25. the CNA's CVSS baseline 8.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:github_m, epss, ghsa
Trending — 3 sources updated this week
8.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.5Exploit: NoneExposed: 0

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

Contributor Remote Code Execution (RCE) in Post Snippets <= 4.0.19 versions.

Contributor Remote Code Execution (RCE) in Post Snippets <= 4.0.19 versions.

CVSS v3
8.5
EG Score
8.5(high)
EPSS
27.1%
KEV
Not listed

Published

June 25, 2026

Last Modified

June 25, 2026

Vendor Advisories for CVE-2026-56049(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 40× in last 7d / 68× 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. 2026-07-06 23:33 UTCEG score recompute
  2. 2026-07-06 23:33 UTCGHSA enrichment
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 16:27 UTCEPSS rescore
  5. 2026-07-06 12:42 UTCEG score recompute
  6. 2026-07-06 12:42 UTCGHSA enrichment
  7. 2026-07-06 02:23 UTCEPSS rescore
  8. 2026-07-06 02:23 UTCEPSS rescore
  9. 2026-07-06 01:49 UTCEG score recompute
  10. 2026-07-06 01:49 UTCGHSA enrichment
  11. 2026-07-05 14:58 UTCEG score recompute
  12. 2026-07-05 14:58 UTCGHSA enrichment
  13. 2026-07-05 04:07 UTCEG score recompute
  14. 2026-07-05 04:07 UTCGHSA enrichment
  15. 2026-07-05 02:31 UTCEPSS rescore
  16. 2026-07-05 02:30 UTCEPSS rescore
  17. 2026-07-04 17:16 UTCEG score recompute
  18. 2026-07-04 17:16 UTCGHSA enrichment
  19. 2026-07-04 06:31 UTCEPSS rescore
  20. 2026-07-04 06:31 UTCEPSS rescore
  21. 2026-07-04 06:25 UTCEG score recompute
  22. 2026-07-04 06:25 UTCGHSA enrichment
  23. 2026-07-03 19:32 UTCEG score recompute
  24. 2026-07-03 19:32 UTCGHSA enrichment
  25. 2026-07-03 08:42 UTCEG score recompute
Show 43 more
  1. 2026-07-03 08:42 UTCGHSA enrichment
  2. 2026-07-02 21:50 UTCEG score recompute
  3. 2026-07-02 21:50 UTCGHSA enrichment
  4. 2026-07-02 10:59 UTCEG score recompute
  5. 2026-07-02 10:59 UTCGHSA enrichment
  6. 2026-07-01 23:43 UTCEG score recompute
  7. 2026-07-01 23:43 UTCGHSA enrichment
  8. 2026-07-01 15:07 UTCEPSS rescore
  9. 2026-07-01 12:52 UTCEG score recompute
  10. 2026-07-01 12:52 UTCGHSA enrichment
  11. 2026-07-01 02:01 UTCEG score recompute
  12. 2026-07-01 02:01 UTCGHSA enrichment
  13. 2026-06-30 23:22 UTCEPSS rescore
  14. 2026-06-30 15:10 UTCEG score recompute
  15. 2026-06-30 15:10 UTCGHSA enrichment
  16. 2026-06-30 04:18 UTCEG score recompute
  17. 2026-06-30 04:18 UTCGHSA enrichment
  18. 2026-06-29 17:28 UTCEG score recompute
  19. 2026-06-29 17:28 UTCGHSA enrichment
  20. 2026-06-29 14:06 UTCEPSS rescore
  21. 2026-06-29 14:06 UTCEPSS rescore
  22. 2026-06-29 06:35 UTCEG score recompute
  23. 2026-06-29 06:35 UTCGHSA enrichment
  24. 2026-06-28 19:44 UTCEG score recompute
  25. 2026-06-28 19:44 UTCGHSA enrichment
  26. 2026-06-28 14:07 UTCEPSS rescore
  27. 2026-06-28 08:53 UTCEG score recompute
  28. 2026-06-28 08:53 UTCGHSA enrichment
  29. 2026-06-28 04:56 UTCEPSS rescore
  30. 2026-06-28 04:56 UTCEPSS rescore
  31. 2026-06-27 22:03 UTCEG score recompute
  32. 2026-06-27 22:03 UTCGHSA enrichment
  33. 2026-06-27 11:12 UTCEG score recompute
  34. 2026-06-27 11:12 UTCGHSA enrichment
  35. 2026-06-27 03:08 UTCEPSS rescore
  36. 2026-06-27 00:21 UTCEG score recompute
  37. 2026-06-27 00:21 UTCGHSA enrichment
  38. 2026-06-26 13:28 UTCEG score recompute
  39. 2026-06-26 13:28 UTCGHSA enrichment
  40. 2026-06-26 02:37 UTCEG score recompute
  41. 2026-06-26 02:37 UTCGHSA enrichment
  42. 2026-06-25 15:46 UTCEG score recompute
  43. 2026-06-25 15:46 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-56049?
CVE-2026-56049 is a high vulnerability published on June 25, 2026. Contributor Remote Code Execution (RCE) in Post Snippets <= 4.0.19 versions. Contributor Remote Code Execution (RCE) in Post Snippets <= 4.0.19 versions.
When was CVE-2026-56049 disclosed?
CVE-2026-56049 was first published in the National Vulnerability Database on June 25, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-56049 actively exploited?
CVE-2026-56049 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 27.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-56049?
CVE-2026-56049 has a CVSS v4.0 base score of 8.5 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-56049?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-56049, 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-2026-56049

Explore →

Is Your Infrastructure Affected by CVE-2026-56049?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs