CVE-2026-71965

HIGHPre-NVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-08-10. 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
8.8EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.5%CVSS: 8.8Exploit: None knownExposed services: Not assessed

An upstream fix is merged but not yet released — mitigate (WAF / firewall / segmentation) until the release ships, then apply it.

CyberPanel 2.4.3, fixed in commit eca0c3c, contains an authenticated remote code execution vulnerability in the remote backup feature that allows authenticated attackers to gain root-level SSH access by supplying a malicious remote server address. Attackers can exploit the unverified SSH public key retrieval process to write an attacker-controlled public key directly to /root/.ssh/authorized_keys, granting persistent root access to the host system.

CVSS v3
8.8
EG Score
8.8HIGHmedium confidence
EG Risk
40
EG Risk 40/100CISA 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%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: An upstream fix is merged but not yet in a tagged release. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines until it ships, then apply the release.
EPSS PROB
0.5%
EPSS %ILE
38th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* at high (mission-essential systems).

An upstream fix is merged but not yet in a tagged release. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines until it ships, then apply the release.

Exploitation none (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 10, 2026

Last Modified

September 8, 2026

Advisory Details (3)

Auto-updated Aug 10, 2026
🔬 Proof of concept available. Upstream fix merged — awaiting tagged release. Sources: github_commit.
generic

CyberPanel 2.4.3 Authenticated RCE via Remote Backup Feature | Advisories | VulnCheck

https://www.vulncheck.com/advisories/cyberpanel-authenticated-rce-via-remote-backup-feature
github_commit

commit eca0c3cbeb35 (usmannasir/cyberpanel)

Fix landed in usmannasir/cyberpanel commit eca0c3cbeb35 — awaiting tagged release

https://github.com/usmannasir/cyberpanel/commit/eca0c3cbeb35af8eaae9fafb094e8ef3cd923643
generic🟡 PoC Available

Authenticated RCE and File Read Vulnerabilities Found in CyberPanel | McSam's blog

https://themcsam.github.io/posts/cyberpanel-2.4.3-vulnerabilties/

Vendor Advisories for CVE-2026-71965(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 19× in last 7d / 94× 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 197 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-71965?
CVE-2026-71965 is a high vulnerability published on August 10, 2026. CyberPanel 2.4.3, fixed in commit eca0c3c, contains an authenticated remote code execution vulnerability in the remote backup feature that allows authenticated attackers to gain root-level SSH access by supplying a malicious remote server address. Attackers can exploit the unverified SSH public key…
When was CVE-2026-71965 disclosed?
CVE-2026-71965 was first published on August 10, 2026, with the most recent update on September 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-71965 actively exploited?
CVE-2026-71965 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.5% probability of exploitation in the next 30 days (38th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-71965?
CVE-2026-71965 has a CVSS base score of 8.8 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-71965?
An upstream fix for CVE-2026-71965 has been merged but is not yet in a tagged release. Until it ships, restrict network exposure of the affected system or apply the vendor's mitigation, then update to the release that contains the fix. The vendor advisories EchelonGraph has for CVE-2026-71965 are linked in the Vendor Advisories panel on this page.

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