CVE-2026-51082

HIGHPre-NVD 7.27.2—
EchelonGraph scoreMEDIUM confidence

Score 7.2 from GitHub Security Advisory (severity: HIGH) published 2026-07-17. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
7.2EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.2Exploit: None knownExposed: 0

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

A race condition between the vncproxy and vncwebsocket API calls in Proxmox Virtual Environment (PVE) 9.x pve-manager before 9.1.9 and 8.x before 8.4.19; qemu-server 9.x before 9.1.7 and 8.x before 8.4.7; and pve-container before 6.1.3 (PVE 9.x) and before 5.3.4 (PVE 8.x) allows an attacker with privileges to call "vncproxy" to hijack a VNC session that is established in parallel by a different user for a different VM.

CVSS v3
7.2
EG Score
7.2(medium)
EG Risk
33(Track)
EG Risk 33/100SSVC: Track

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
Severity72% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
32%
KEV
Not listed

Published

July 17, 2026

Last Modified

July 17, 2026

Advisory Details (1)

Auto-updated Jul 17, 2026
No patch confirmed yet.
generic

Proxmox Virtual Environment - Security Advisories | Page 2 | Proxmox Support Forum

https://forum.proxmox.com/threads/proxmox-virtual-environment-security-advisories.149331/post-849971

Vendor Advisories for CVE-2026-51082(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 10× in last 7d / 79× 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 169 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-51082?
CVE-2026-51082 is a high vulnerability published on July 17, 2026. A race condition between the vncproxy and vncwebsocket API calls in Proxmox Virtual Environment (PVE) 9.x pve-manager before 9.1.9 and 8.x before 8.4.19; qemu-server 9.x before 9.1.7 and 8.x before 8.4.7; and pve-container before 6.1.3 (PVE 9.x) and before 5.3.4 (PVE 8.x) allows an attacker with…
When was CVE-2026-51082 disclosed?
CVE-2026-51082 was first published in the National Vulnerability Database on July 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-51082 actively exploited?
CVE-2026-51082 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 68.0% of all scored CVEs.
What is the CVSS score of CVE-2026-51082?
CVE-2026-51082 has a CVSS v3.1 base score of 7.2 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-51082?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-51082, 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

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