CVE-2026-67920

HIGHPre-NVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-08-18. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this weekElevated
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.9%CVSS: 8.8Exploit: Elevated riskExposed services: Not assessed

A fix is available — apply it.

An issue in Halo 2.25.4 allows a remote attacker to execute arbitrary code via the run.halo.app.migration.impl.MigrationServiceImpl.restoreWorkdir(), and org.springframework.util.FileSystemUtils.copyRecursively() components

CVSS v3
8.8
EG Score
8.8HIGHmedium confidence
EG Risk
56
EG Risk 56/100CISA SSVC

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity88% × 45%
Exploitation40% × 40%
Automatability0% × 15%
CISA SSVC: Track at low, Track* at medium and Attend at high mission impact.
Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
0.9%
EPSS %ILE
59th
KEV
Not listed

CISA SSVCTrack at low, Track* at medium and Attend at high mission impact.

A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation public PoC (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 18, 2026

Last Modified

August 31, 2026

Advisory Details (3)

Auto-updated Aug 20, 2026
🔬 Proof of concept available. Patch available. Sources: github_pr.
generic🟡 PoC Available

CVE-2026-67920.md · GitHub

https://gist.github.com/unpredictable21/f05d4b57867a2e83a5f991ff542215b2
github_pr Patch Available

Support backup and restore

Patch available: halo-dev/halo v2.22.5 (PR #4206 merged 2023-07-24)

https://github.com/halo-dev/halo/pull/4206
generic

GitHub - halo-dev/halo: Halo 是一款强大易用的开源建站工具，从个人博客、知识库，到企业官网、在线商城，Halo 都能助您轻松实现，一站式满足您的多样化建站需求。 · GitHub

https://github.com/halo-dev/halo

Vendor Advisories for CVE-2026-67920(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 24× in last 7d / 100× 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.

Showing the most recent 100 of 167 total refreshes for this CVE.

  1. 2026-10-05 09:38 UTCEG score recompute
  2. 2026-10-05 09:38 UTCGHSA enrichment
  3. 2026-10-04 23:22 UTCEPSS rescore
  4. 2026-10-04 21:47 UTCGHSA enrichment
  5. 2026-10-04 05:20 UTCGHSA enrichment
  6. 2026-10-03 17:45 UTCEG score recompute
  7. 2026-10-03 17:45 UTCGHSA enrichment
  8. 2026-10-03 14:26 UTCEPSS rescore
  9. 2026-10-03 03:12 UTCEG score recompute
  10. 2026-10-03 03:12 UTCGHSA enrichment
  11. 2026-10-02 17:56 UTCEPSS rescore
  12. 2026-10-02 15:43 UTCGHSA enrichment
  13. 2026-10-02 01:33 UTCEG score recompute
  14. 2026-10-02 01:33 UTCGHSA enrichment
  15. 2026-10-01 19:50 UTCEPSS rescore
  16. 2026-10-01 09:07 UTCGHSA enrichment
  17. 2026-09-30 21:38 UTCEG score recompute
  18. 2026-09-30 21:38 UTCGHSA enrichment
  19. 2026-09-30 15:03 UTCEPSS rescore
  20. 2026-09-30 09:56 UTCEG score recompute
  21. 2026-09-30 09:56 UTCGHSA enrichment
  22. 2026-09-28 21:58 UTCEG score recompute
  23. 2026-09-28 21:58 UTCGHSA enrichment
  24. 2026-09-28 13:52 UTCEPSS rescore
  25. 2026-09-28 07:04 UTCGHSA enrichment
Show 75 more
  1. 2026-09-27 19:32 UTCEG score recompute
  2. 2026-09-27 19:32 UTCGHSA enrichment
  3. 2026-09-27 13:48 UTCEPSS rescore
  4. 2026-09-27 08:03 UTCEG score recompute
  5. 2026-09-27 08:03 UTCGHSA enrichment
  6. 2026-09-26 15:59 UTCEPSS rescore
  7. 2026-09-25 01:50 UTCEG score recompute
  8. 2026-09-25 01:50 UTCGHSA enrichment
  9. 2026-09-24 07:59 UTCGHSA enrichment
  10. 2026-09-23 20:26 UTCEG score recompute
  11. 2026-09-23 20:26 UTCGHSA enrichment
  12. 2026-09-23 17:54 UTCEPSS rescore
  13. 2026-09-23 08:05 UTCGHSA enrichment
  14. 2026-09-22 20:37 UTCEG score recompute
  15. 2026-09-22 20:37 UTCGHSA enrichment
  16. 2026-09-22 08:17 UTCEG score recompute
  17. 2026-09-22 08:17 UTCGHSA enrichment
  18. 2026-09-21 20:49 UTCGHSA enrichment
  19. 2026-09-21 09:19 UTCGHSA enrichment
  20. 2026-09-20 21:50 UTCEG score recompute
  21. 2026-09-20 21:50 UTCGHSA enrichment
  22. 2026-09-20 20:16 UTCEPSS rescore
  23. 2026-09-20 10:21 UTCGHSA enrichment
  24. 2026-09-19 22:52 UTCEG score recompute
  25. 2026-09-19 22:52 UTCGHSA enrichment
  26. 2026-09-19 10:57 UTCGHSA enrichment
  27. 2026-09-18 21:54 UTCEG score recompute
  28. 2026-09-18 21:54 UTCGHSA enrichment
  29. 2026-09-18 19:28 UTCEPSS rescore
  30. 2026-09-18 09:26 UTCGHSA enrichment
  31. 2026-09-17 21:57 UTCEG score recompute
  32. 2026-09-17 21:57 UTCGHSA enrichment
  33. 2026-09-17 10:28 UTCGHSA enrichment
  34. 2026-09-16 22:59 UTCEG score recompute
  35. 2026-09-16 22:59 UTCGHSA enrichment
  36. 2026-09-16 14:08 UTCEPSS rescore
  37. 2026-09-16 10:13 UTCEG score recompute
  38. 2026-09-16 10:13 UTCGHSA enrichment
  39. 2026-09-16 05:15 UTCEPSS rescore
  40. 2026-09-15 21:26 UTCGHSA enrichment
  41. 2026-09-15 09:11 UTCEG score recompute
  42. 2026-09-15 09:11 UTCGHSA enrichment
  43. 2026-09-14 21:42 UTCGHSA enrichment
  44. 2026-09-14 10:13 UTCGHSA enrichment
  45. 2026-09-13 22:44 UTCEG score recompute
  46. 2026-09-13 22:44 UTCGHSA enrichment
  47. 2026-09-13 11:15 UTCGHSA enrichment
  48. 2026-09-12 23:46 UTCEG score recompute
  49. 2026-09-12 23:46 UTCGHSA enrichment
  50. 2026-09-12 12:17 UTCGHSA enrichment
  51. 2026-09-12 00:48 UTCEG score recompute
  52. 2026-09-12 00:48 UTCGHSA enrichment
  53. 2026-09-11 14:53 UTCEPSS rescore
  54. 2026-09-11 13:18 UTCEG score recompute
  55. 2026-09-11 13:18 UTCGHSA enrichment
  56. 2026-09-11 09:37 UTCEPSS rescore
  57. 2026-09-11 01:45 UTCGHSA enrichment
  58. 2026-09-10 14:16 UTCEG score recompute
  59. 2026-09-10 14:16 UTCGHSA enrichment
  60. 2026-09-10 02:47 UTCGHSA enrichment
  61. 2026-09-09 15:16 UTCGHSA enrichment
  62. 2026-09-09 03:34 UTCEG score recompute
  63. 2026-09-09 03:34 UTCGHSA enrichment
  64. 2026-09-08 22:01 UTCEPSS rescore
  65. 2026-09-07 22:00 UTCEG score recompute
  66. 2026-09-07 22:00 UTCGHSA enrichment
  67. 2026-09-07 16:01 UTCEPSS rescore
  68. 2026-09-07 10:31 UTCGHSA enrichment
  69. 2026-09-06 19:55 UTCEG score recompute
  70. 2026-09-06 19:55 UTCGHSA enrichment
  71. 2026-09-06 13:47 UTCEPSS rescore
  72. 2026-09-06 08:20 UTCGHSA enrichment
  73. 2026-09-05 20:50 UTCEG score recompute
  74. 2026-09-05 20:50 UTCGHSA enrichment
  75. 2026-09-05 15:31 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-67920?
CVE-2026-67920 is a high vulnerability published on August 18, 2026. An issue in Halo 2.25.4 allows a remote attacker to execute arbitrary code via the run.halo.app.migration.impl.MigrationServiceImpl.restoreWorkdir(), and org.springframework.util.FileSystemUtils.copyRecursively() components
When was CVE-2026-67920 disclosed?
CVE-2026-67920 was first published on August 18, 2026, with the most recent update on August 31, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-67920 actively exploited?
CVE-2026-67920 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.9% probability of exploitation in the next 30 days (59th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-67920?
CVE-2026-67920 has a CVSS v3.1 base score of 8.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-67920?
A fix for CVE-2026-67920 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-67920 are linked in the Vendor Advisories panel on this page.

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