CVE-2026-13117

HIGHNVD 8.18.1—
EchelonGraph scoreMEDIUM 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(medium)
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
34%
KEV
Not listed

Published

July 30, 2026

Last Modified

September 17, 2026

References (3)

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 (2.7.0-1ubuntu1.2) @ resolute2026-09-20ubuntu

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
openvpn—2.7.5-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 32× in last 7d / 136× 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 265 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

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 September 17, 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 66.2% 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

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