CVE-2026-13117

HIGHNVD 8.18.1
EchelonGraph scoreHIGH confidence

Score 8.1 from GitHub Security Advisory published 2026-07-30. NVD baseline CVSS 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 4 sources updated this week
8.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.1Exploit: None knownExposed: 0

A fix is available — apply it.

An incomplete guard in OpenVPN 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote authenticated peers to trigger a use-after-free during TLS session promotion, potentially leading to a denial of service or memory leakage

CVSS v3
8.1
EG Score
8.1(high)
EG Risk
37(Track)
EG Risk 37/100SSVC: 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
Severity81% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
33%
KEV
Not listed

Published

July 30, 2026

Last Modified

August 5, 2026

Vendor Advisories for CVE-2026-13117(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 (2.5.11-0ubuntu0.22.04.4) @ jammy2026-08-21ubuntu

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)
Alpine:v3.24(1)
PackageVulnerable rangeFixed inDependents
openvpn2.7.5-r0
Debian:12(1)
PackageVulnerable rangeFixed inDependents
openvpn2.6.11-1 ... 2.6.9-1 (15 versions)2.6.14-0+deb12u2
Debian:13(1)
PackageVulnerable rangeFixed inDependents
openvpn2.6.14-1, 2.6.14-1+deb13u1, 2.6.14-1+deb13u22.6.14-1+deb13u3
Debian:14(1)
PackageVulnerable rangeFixed inDependents
openvpn2.6.14-1 ... 2.7.5-1~bpo13+1 (24 versions)2.7.5-1

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 41× in last 7d / 127× 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 127 total refreshes for this CVE.

  1. 2026-08-21 03:01 UTCEG score recompute
  2. 2026-08-21 03:01 UTCVendor advisory
  3. 2026-08-21 03:01 UTCGHSA enrichment
  4. 2026-08-20 22:55 UTCEPSS rescore
  5. 2026-08-20 15:13 UTCVendor advisory
  6. 2026-08-20 15:13 UTCGHSA enrichment
  7. 2026-08-20 03:25 UTCEG score recompute
  8. 2026-08-20 03:25 UTCVendor advisory
  9. 2026-08-20 03:25 UTCGHSA enrichment
  10. 2026-08-19 17:03 UTCEPSS rescore
  11. 2026-08-19 15:35 UTCVendor advisory
  12. 2026-08-19 15:35 UTCGHSA enrichment
  13. 2026-08-19 03:44 UTCVendor advisory
  14. 2026-08-19 03:44 UTCGHSA enrichment
  15. 2026-08-18 15:56 UTCEG score recompute
  16. 2026-08-18 15:56 UTCVendor advisory
  17. 2026-08-18 15:55 UTCGHSA enrichment
  18. 2026-08-18 13:48 UTCEPSS rescore
  19. 2026-08-18 03:37 UTCVendor advisory
  20. 2026-08-18 03:37 UTCGHSA enrichment
  21. 2026-08-17 15:26 UTCEG score recompute
  22. 2026-08-17 15:26 UTCVendor advisory
  23. 2026-08-17 15:26 UTCGHSA enrichment
  24. 2026-08-17 03:38 UTCVendor advisory
  25. 2026-08-17 03:38 UTCGHSA enrichment
Show 75 more
  1. 2026-08-16 15:50 UTCEG score recompute
  2. 2026-08-16 15:50 UTCVendor advisory
  3. 2026-08-16 15:50 UTCGHSA enrichment
  4. 2026-08-16 14:56 UTCEPSS rescore
  5. 2026-08-16 04:02 UTCEG score recompute
  6. 2026-08-16 04:02 UTCVendor advisory
  7. 2026-08-16 04:02 UTCGHSA enrichment
  8. 2026-08-16 02:14 UTCEPSS rescore
  9. 2026-08-15 16:14 UTCVendor advisory
  10. 2026-08-15 16:14 UTCGHSA enrichment
  11. 2026-08-15 04:26 UTCEG score recompute
  12. 2026-08-15 04:26 UTCVendor advisory
  13. 2026-08-15 04:26 UTCGHSA enrichment
  14. 2026-08-15 01:30 UTCEPSS rescore
  15. 2026-08-14 16:37 UTCVendor advisory
  16. 2026-08-14 16:37 UTCGHSA enrichment
  17. 2026-08-14 04:49 UTCEG score recompute
  18. 2026-08-14 04:49 UTCVendor advisory
  19. 2026-08-14 04:49 UTCGHSA enrichment
  20. 2026-08-13 22:00 UTCEPSS rescore
  21. 2026-08-13 17:01 UTCVendor advisory
  22. 2026-08-13 17:01 UTCGHSA enrichment
  23. 2026-08-13 05:13 UTCVendor advisory
  24. 2026-08-13 05:13 UTCGHSA enrichment
  25. 2026-08-12 17:26 UTCEG score recompute
  26. 2026-08-12 17:26 UTCVendor advisory
  27. 2026-08-12 17:26 UTCGHSA enrichment
  28. 2026-08-12 13:50 UTCEPSS rescore
  29. 2026-08-12 05:38 UTCVendor advisory
  30. 2026-08-12 05:38 UTCGHSA enrichment
  31. 2026-08-11 17:47 UTCEG score recompute
  32. 2026-08-11 17:47 UTCVendor advisory
  33. 2026-08-11 17:47 UTCGHSA enrichment
  34. 2026-08-11 13:42 UTCEPSS rescore
  35. 2026-08-11 05:47 UTCEG score recompute
  36. 2026-08-11 05:47 UTCVendor advisory
  37. 2026-08-11 05:47 UTCGHSA enrichment
  38. 2026-08-10 23:59 UTCEPSS rescore
  39. 2026-08-10 17:59 UTCVendor advisory
  40. 2026-08-10 17:59 UTCGHSA enrichment
  41. 2026-08-10 06:02 UTCVendor advisory
  42. 2026-08-10 06:02 UTCGHSA enrichment
  43. 2026-08-09 18:14 UTCEG score recompute
  44. 2026-08-09 18:14 UTCVendor advisory
  45. 2026-08-09 18:14 UTCGHSA enrichment
  46. 2026-08-09 13:46 UTCEPSS rescore
  47. 2026-08-09 06:27 UTCVendor advisory
  48. 2026-08-09 06:27 UTCGHSA enrichment
  49. 2026-08-08 18:39 UTCEG score recompute
  50. 2026-08-08 18:39 UTCVendor advisory
  51. 2026-08-08 18:39 UTCGHSA enrichment
  52. 2026-08-08 16:37 UTCEPSS rescore
  53. 2026-08-08 06:51 UTCVendor advisory
  54. 2026-08-08 06:51 UTCGHSA enrichment
  55. 2026-08-07 19:03 UTCEG score recompute
  56. 2026-08-07 19:03 UTCVendor advisory
  57. 2026-08-07 19:03 UTCGHSA enrichment
  58. 2026-08-07 07:15 UTCVendor advisory
  59. 2026-08-07 07:15 UTCGHSA enrichment
  60. 2026-08-06 19:27 UTCEG score recompute
  61. 2026-08-06 19:27 UTCVendor advisory
  62. 2026-08-06 19:27 UTCGHSA enrichment
  63. 2026-08-06 13:46 UTCEPSS rescore
  64. 2026-08-06 07:39 UTCEG score recompute
  65. 2026-08-06 07:39 UTCVendor advisory
  66. 2026-08-06 07:39 UTCGHSA enrichment
  67. 2026-08-05 19:51 UTCEG score recompute 2.10
  68. 2026-08-05 19:51 UTCVendor advisory
  69. 2026-08-05 19:51 UTCGHSA enrichment
  70. 2026-08-05 19:51 UTCNVD updateCVSS v3 → 8.1 · severity → HIGH
  71. 2026-08-05 19:17 UTCEPSS rescore
  72. 2026-08-05 06:41 UTCEG score recompute
  73. 2026-08-05 06:41 UTCGHSA enrichment
  74. 2026-08-04 15:09 UTCEPSS rescore
  75. 2026-08-04 10:38 UTCEPSS rescore

Frequently asked(5)

What is CVE-2026-13117?
CVE-2026-13117 is a high vulnerability published on July 30, 2026. An incomplete guard in OpenVPN 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote authenticated peers to trigger a use-after-free during TLS session promotion, potentially leading to a denial of service or memory leakage
When was CVE-2026-13117 disclosed?
CVE-2026-13117 was first published in the National Vulnerability Database on July 30, 2026, with the most recent update on August 5, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-13117 actively exploited?
CVE-2026-13117 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 66.8% of all scored CVEs.
What is the CVSS score of CVE-2026-13117?
CVE-2026-13117 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2026-13117?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-13117, 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-2026-13117

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