CVE-2026-57966

MEDIUMPre-NVD 4.44.4—
EchelonGraph scoreMEDIUM confidence

Score 4.4 from GitHub Security Advisory published 2026-06-29. a secondary CVSS source baseline 4.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
4.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.4Exploit: None knownExposed: 0

A fix is available — apply it.

A path traversal vulnerability was found in spice-vdagent. This flaw allows a malicious or compromised SPICE host to write arbitrary files to any location on the guest operating system. This occurs because the filename provided by the SPICE host during file transfers is not properly sanitized before being used. An attacker could exploit this to write to sensitive locations with the privileges of the spice-vdagent process, typically the logged-in user. This issue requires the SPICE host to be untrusted or compromised for exploitation.

CVSS v3
4.4
EG Score
4.4(medium)
EG Risk
20(Track)
EG Risk 20/100SSVC: 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
Severity44% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
3%
KEV
Not listed

Published

June 29, 2026

Last Modified

July 8, 2026

Advisory Details (2)

Auto-updated Jun 29, 2026
Patch available. Sources: redhat.
redhat

2493582 – (CVE-2026-57966) CVE-2026-57966 spice-vdagent: Path traversal in file transfer via unsanitized filename

https://bugzilla.redhat.com/show_bug.cgi?id=2493582
redhat Patch Available

cve-details

https://access.redhat.com/security/cve/CVE-2026-57966

Vendor Advisories for CVE-2026-57966(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntuspice-vdagent (0.23.0-1ubuntu0.1) @ resolute2026-09-18ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
spice-vdagent0.20.0-20.20.0-2+deb11u1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
spice-vdagent0.22.1-30.22.1-3+deb12u1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
spice-vdagent0.22.1-4.1, 0.22.1-5, 0.23.0-1, 0.23.0-2, 0.23.0-3——
Debian:14(1)
PackageVulnerable rangeFixed inDependents
spice-vdagent0.22.1-4.1, 0.22.1-5, 0.23.0-1, 0.23.0-20.23.0-3—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 9× in last 7d / 41× 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 173 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

Same vendor

1 shown

ubuntu:USN-8723-1

Frequently asked(5)

What is CVE-2026-57966?
CVE-2026-57966 is a medium vulnerability published on June 29, 2026. A path traversal vulnerability was found in spice-vdagent. This flaw allows a malicious or compromised SPICE host to write arbitrary files to any location on the guest operating system. This occurs because the filename provided by the SPICE host during file transfers is not properly sanitized…
When was CVE-2026-57966 disclosed?
CVE-2026-57966 was first published in the National Vulnerability Database on June 29, 2026, with the most recent update on July 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-57966 actively exploited?
CVE-2026-57966 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 97.3% of all scored CVEs.
What is the CVSS score of CVE-2026-57966?
CVE-2026-57966 has a CVSS v3 base score of 4.4 (NVD).
How do I remediate CVE-2026-57966?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-57966, 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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