CVE-2026-35058

MEDIUMNVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2026-06-08. NVD baseline CVSS 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 4 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: 1%CVSS: 6.5Exploit: None knownExposed: 0

A fix is available — apply it.

Improper validation of packet length during tls-crypt-v2 key extraction in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows authenticated attackers to trigger a fatal assertion and cause a denial of service via a specially crafted packet.

CVSS v3
6.5
EG Score
6.5(medium)
EG Risk
29(Track)
EG Risk 29/100SSVC: 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%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
43%
KEV
Not listed

Published

June 8, 2026

Last Modified

August 11, 2026

Advisory Details (1)

Auto-updated Jun 12, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

TALOS-2026-2381 || Cisco Talos Intelligence Group - Comprehensive Threat Intelligence

https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2381

Vendor Advisories for CVE-2026-35058(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
ubuntuopenvpn (2.6.19-0ubuntu0.25.10.2) @ questing2026-08-25ubuntu

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

(9 across 9 ecosystems)
Alpine:v3.20(1)
PackageVulnerable rangeFixed inDependents
openvpn—2.6.20-r0—
Alpine:v3.21(1)
PackageVulnerable rangeFixed inDependents
openvpn—2.6.20-r0—
Alpine:v3.22(1)
PackageVulnerable rangeFixed inDependents
openvpn—2.6.20-r0—
Alpine:v3.23(1)
PackageVulnerable rangeFixed inDependents
openvpn—2.6.20-r0—
Alpine:v3.24(1)
PackageVulnerable rangeFixed inDependents
openvpn—2.6.20-r0—
Debian:11(1)
PackageVulnerable rangeFixed inDependents
openvpn2.5.1-3, 2.5.1-3+deb11u1, 2.5.1-3+deb11u22.5.1-3+deb11u3—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
openvpn2.6.11-1 ... 2.6.9-1 (14 versions)2.6.14-0+deb12u1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
openvpn2.6.14-1, 2.6.14-1+deb13u12.6.14-1+deb13u2—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
openvpn2.6.14-1 ... 2.7.2-1~bpo13+1 (21 versions)2.7.2-1—

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 17× in last 7d / 97× 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 234 total refreshes for this CVE.

  1. 2026-08-26 14:46 UTCEPSS rescore
  2. 2026-08-25 13:49 UTCEPSS rescore
  3. 2026-08-25 01:14 UTCEG score recompute
  4. 2026-08-25 01:14 UTCVendor advisory
  5. 2026-08-25 01:14 UTCGHSA enrichment
  6. 2026-08-23 11:41 UTCEG score recompute
  7. 2026-08-23 11:41 UTCVendor advisory
  8. 2026-08-23 11:41 UTCGHSA enrichment
  9. 2026-08-23 00:19 UTCEPSS rescore
  10. 2026-08-21 23:49 UTCEPSS rescore
  11. 2026-08-21 07:27 UTCEG score recompute
  12. 2026-08-21 07:27 UTCVendor advisory
  13. 2026-08-21 07:27 UTCGHSA enrichment
  14. 2026-08-20 22:55 UTCEPSS rescore
  15. 2026-08-20 09:27 UTCEG score recompute
  16. 2026-08-20 09:27 UTCVendor advisory
  17. 2026-08-20 09:27 UTCGHSA enrichment
  18. 2026-08-19 17:03 UTCEPSS rescore
  19. 2026-08-18 13:48 UTCEPSS rescore
  20. 2026-08-17 13:47 UTCEPSS rescore
  21. 2026-08-17 01:45 UTCEG score recompute
  22. 2026-08-17 01:45 UTCVendor advisory
  23. 2026-08-17 01:45 UTCGHSA enrichment
  24. 2026-08-16 14:56 UTCEPSS rescore
  25. 2026-08-16 02:14 UTCEPSS rescore
Show 75 more
  1. 2026-08-16 01:44 UTCVendor advisory
  2. 2026-08-16 01:44 UTCGHSA enrichment
  3. 2026-08-15 04:02 UTCEG score recompute
  4. 2026-08-15 04:02 UTCVendor advisory
  5. 2026-08-15 04:02 UTCGHSA enrichment
  6. 2026-08-15 01:30 UTCEPSS rescore
  7. 2026-08-14 06:22 UTCEG score recompute
  8. 2026-08-14 06:22 UTCVendor advisory
  9. 2026-08-14 06:22 UTCGHSA enrichment
  10. 2026-08-13 22:00 UTCEPSS rescore
  11. 2026-08-13 08:42 UTCEG score recompute
  12. 2026-08-13 08:42 UTCVendor advisory
  13. 2026-08-13 08:42 UTCGHSA enrichment
  14. 2026-08-12 13:50 UTCEPSS rescore
  15. 2026-08-12 11:03 UTCEG score recompute
  16. 2026-08-12 11:03 UTCVendor advisory
  17. 2026-08-12 11:03 UTCGHSA enrichment
  18. 2026-08-11 13:13 UTCEG score recompute▼ 0.40
  19. 2026-08-11 13:13 UTCVendor advisory
  20. 2026-08-11 13:13 UTCGHSA enrichment
  21. 2026-08-11 13:13 UTCNVD updateCVSS v3 → 6.5
  22. 2026-08-11 06:14 UTCEG score recompute
  23. 2026-08-11 06:14 UTCVendor advisory
  24. 2026-08-11 06:14 UTCGHSA enrichment
  25. 2026-08-11 00:00 UTCEPSS rescore
  26. 2026-08-10 08:35 UTCEG score recompute
  27. 2026-08-10 08:35 UTCVendor advisory
  28. 2026-08-10 08:35 UTCGHSA enrichment
  29. 2026-08-09 13:46 UTCEPSS rescore
  30. 2026-08-09 10:56 UTCEG score recompute
  31. 2026-08-09 10:56 UTCVendor advisory
  32. 2026-08-09 10:56 UTCGHSA enrichment
  33. 2026-08-08 16:37 UTCEPSS rescore
  34. 2026-08-08 13:16 UTCEG score recompute
  35. 2026-08-08 13:16 UTCVendor advisory
  36. 2026-08-08 13:16 UTCGHSA enrichment
  37. 2026-08-07 15:36 UTCVendor advisory
  38. 2026-08-07 15:36 UTCGHSA enrichment
  39. 2026-08-06 17:57 UTCEG score recompute
  40. 2026-08-06 17:57 UTCVendor advisory
  41. 2026-08-06 17:57 UTCGHSA enrichment
  42. 2026-08-06 13:46 UTCEPSS rescore
  43. 2026-08-05 20:14 UTCEG score recompute
  44. 2026-08-05 20:14 UTCVendor advisory
  45. 2026-08-05 20:14 UTCGHSA enrichment
  46. 2026-08-05 19:17 UTCEPSS rescore
  47. 2026-08-04 16:21 UTCEG score recompute
  48. 2026-08-04 16:21 UTCVendor advisory
  49. 2026-08-04 16:21 UTCGHSA enrichment
  50. 2026-08-04 15:10 UTCEPSS rescore
  51. 2026-08-04 10:38 UTCEPSS rescore
  52. 2026-08-03 15:20 UTCEG score recompute
  53. 2026-08-03 15:20 UTCVendor advisory
  54. 2026-08-03 15:20 UTCGHSA enrichment
  55. 2026-08-03 10:36 UTCEPSS rescore
  56. 2026-08-02 08:26 UTCEG score recompute
  57. 2026-08-02 08:26 UTCVendor advisory
  58. 2026-08-02 08:26 UTCGHSA enrichment
  59. 2026-08-02 02:27 UTCEPSS rescore
  60. 2026-08-01 10:46 UTCEG score recompute
  61. 2026-08-01 10:46 UTCVendor advisory
  62. 2026-08-01 10:46 UTCGHSA enrichment
  63. 2026-08-01 04:16 UTCEPSS rescore
  64. 2026-07-31 04:48 UTCEG score recompute
  65. 2026-07-31 04:48 UTCVendor advisory
  66. 2026-07-31 04:48 UTCGHSA enrichment
  67. 2026-07-30 16:28 UTCEPSS rescore
  68. 2026-07-30 01:30 UTCEPSS rescore
  69. 2026-07-29 06:14 UTCEG score recompute
  70. 2026-07-29 06:14 UTCGHSA enrichment
  71. 2026-07-28 08:11 UTCEG score recompute
  72. 2026-07-28 08:11 UTCGHSA enrichment
  73. 2026-07-27 14:13 UTCEPSS rescore
  74. 2026-07-27 08:32 UTCEG score recompute
  75. 2026-07-27 08:32 UTCVendor advisory

Frequently asked(5)

What is CVE-2026-35058?
CVE-2026-35058 is a medium vulnerability published on June 8, 2026. Improper validation of packet length during tls-crypt-v2 key extraction in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows authenticated attackers to trigger a fatal assertion and cause a denial of service via a specially crafted packet.
When was CVE-2026-35058 disclosed?
CVE-2026-35058 was first published in the National Vulnerability Database on June 8, 2026, with the most recent update on August 11, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-35058 actively exploited?
CVE-2026-35058 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 56.9% of all scored CVEs.
What is the CVSS score of CVE-2026-35058?
CVE-2026-35058 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-35058?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-35058, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-35058

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