CVE-2026-59999

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 0.2% (4th percentile of EPSS-scored CVEs). GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS: 7.5Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

In sshd in OpenSSH before 10.4, DisableForwarding=yes was supposed to take precedence over PermitTunnel=yes, but did not.

CVSS v3
7.5
EG Score
7.5HIGHmedium confidence
EG Risk
34
EG Risk 34/100CISA 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
Severity75% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.2%
EPSS %ILE
4th
KEV
Not listed

CISA SSVCTrack at every mission impact level.

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (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

July 8, 2026

Last Modified

July 9, 2026

Advisory Details (3)

Auto-updated Jul 8, 2026
Patch available.
generic

oss-security - Announce: OpenSSH 10.4 released

https://www.openwall.com/lists/oss-security/2026/07/06/5
generic

OpenSSH: Release Notes

https://www.openssh.org/releasenotes.html#10.4p1
generic

'Announce: OpenSSH 10.4 released' - MARC

https://marc.info/?l=openssh-unix-dev&m=178333966933090&w=2

Vendor Advisories for CVE-2026-59999(9)

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

Patch Availability(7)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
ubuntussh-askpass-gnome (1:10.2p1-2ubuntu3.4) @ resolute2026-10-01ubuntu
ubuntussh-krb5 (1:7.2p2-4ubuntu2.10+esm10) @ xenial2026-10-01ubuntu
redhatrhui5/rhua-rhel9:17902420042026-09-24redhat
redhatopenssh-0:9.9p1-27.el10_22026-09-21redhat
redhatopenssh-0:8.0p1-33.el8_102026-09-21redhat
redhatopenssh-0:9.9p1-11.el9_82026-09-21redhat
redhatopenssh-main-10.4p1-1.hum12026-07-09redhat

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

(5 across 5 ecosystems)
Alpine:v3.24(1)
PackageVulnerable rangeFix by version rangeDependents
openssh—
  • every version up to 10.3_p1-r1: fixed in 10.3_p1-r1
—
Debian:11(1)
PackageVulnerable rangeFix by version rangeDependents
openssh1:10.0p1-1 ... 1:9.9p2-2 (86 versions)
  • every version on: no fix on record
—
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
openssh1:10.0p1-1 ... 1:9.9p2-2 (77 versions)
  • every version on: no fix on record
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
openssh1:10.0p1-7 ... 1:10.5p1-1 (31 versions)
  • every version on: no fix on record
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
openssh1:10.0p1-7 ... 1:10.3p1-9 (21 versions)
  • every version up to 1:10.4p1-1: fixed in 1:10.4p1-1
—

Weakness Classification(1)

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

Additional Vendor Advisories

(2)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 6× in last 7d / 48× 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 309 total refreshes for this CVE.

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

Related CVEs(same product + same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-59999?
CVE-2026-59999 is a high vulnerability published on July 8, 2026. In sshd in OpenSSH before 10.4, DisableForwarding=yes was supposed to take precedence over PermitTunnel=yes, but did not.
When was CVE-2026-59999 disclosed?
CVE-2026-59999 was first published on July 8, 2026, with the most recent update on July 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-59999 actively exploited?
CVE-2026-59999 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (4th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-59999?
CVE-2026-59999 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-59999?
A fix for CVE-2026-59999 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-59999 are linked in the Vendor Advisories panel on this page.

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