CVE-2026-13208

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2026-06-24. a secondary CVSS source baseline 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.5Exploit: None knownExposed: 0

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

A flaw was found in KubeVirt's virt-handler domain notify server. The gRPC handlers for HandleDomainEvent and HandleK8SEvent derive the VMI identity (namespace/name) solely from the request body without validating it against the connection's origin. Each virt-launcher pod connects through a per-VMI pipe socket, but no identity tag is propagated from the pipe path to the server handlers. This allows a compromised virt-launcher process to send forged domain lifecycle events for any other VMI scheduled on the same node, causing virt-handler to erroneously update that VMI's state and disrupt its lifecycle management.

CVSS v3
6.5
EG Score
6.5(medium)
EG Risk
34(Track)
EG Risk 34/100SSVC: 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
Severity65% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
3%
KEV
Not listed

Published

June 24, 2026

Last Modified

July 6, 2026

Advisory Details (2)

Auto-updated Jun 25, 2026
Patch available. Sources: redhat.
redhat

2492220 – (CVE-2026-13208) CVE-2026-13208 kubevirt: virt-handler-rhel9: kubevirt: virt-handler notify server trusts VMI identity from unauthenticated gRPC request body

https://bugzilla.redhat.com/show_bug.cgi?id=2492220
redhat Patch Available

cve-details

https://access.redhat.com/security/cve/CVE-2026-13208

Vendor Advisories for CVE-2026-13208(2)

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 9× in last 7d / 55× 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 117 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-13208?
CVE-2026-13208 is a medium vulnerability published on June 24, 2026. A flaw was found in KubeVirt's virt-handler domain notify server. The gRPC handlers for HandleDomainEvent and HandleK8SEvent derive the VMI identity (namespace/name) solely from the request body without validating it against the connection's origin. Each virt-launcher pod connects through a per-VMI…
When was CVE-2026-13208 disclosed?
CVE-2026-13208 was first published in the National Vulnerability Database on June 24, 2026, with the most recent update on July 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-13208 actively exploited?
CVE-2026-13208 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 97.4% of all scored CVEs.
What is the CVSS score of CVE-2026-13208?
CVE-2026-13208 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-13208?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-13208, 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.

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