CVE-2026-59997

MEDIUMNVD 5.45.4—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.4 under NVD CVSS v3. EPSS exploit probability: 0.5% (38th percentile of EPSS-scored CVEs). GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
5.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS: 5.4Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

internal-sftp in sshd in OpenSSH before 10.4 recognizes only the first 9 command-line arguments, which can be important if a later command-line argument would have helped to ensure the intended security properties of an SFTP connection.

CVSS v3
5.4
EG Score
5.4MEDIUMmedium confidence
EG Risk
24
EG Risk 24/100CISA 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
Severity54% × 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
6th
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-2026-59997(3)

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

Patch Availability(3)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
ubuntussh-askpass-gnome (1:9.6p1-3ubuntu13.18) @ noble2026-10-01ubuntu
ubuntussh-krb5 (1:7.2p2-4ubuntu2.10+esm10) @ xenial2026-10-01ubuntu
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 7× in last 7d / 46× 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 228 total refreshes for this CVE.

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

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

Frequently asked(5)

What is CVE-2026-59997?
CVE-2026-59997 is a medium vulnerability published on July 8, 2026. internal-sftp in sshd in OpenSSH before 10.4 recognizes only the first 9 command-line arguments, which can be important if a later command-line argument would have helped to ensure the intended security properties of an SFTP connection.
When was CVE-2026-59997 disclosed?
CVE-2026-59997 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-2026-59997 actively exploited?
CVE-2026-59997 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (6th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-59997?
CVE-2026-59997 has a CVSS v3 base score of 5.4 (NVD).
How do I remediate CVE-2026-59997?
A fix for CVE-2026-59997 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-59997 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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