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
CVE-2026-13117
Score 8.1 from GitHub Security Advisory published 2026-07-30. NVD baseline CVSS 8.1; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- 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 computedSeverity81% × 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
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 / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | openvpn (2.5.11-0ubuntu0.22.04.4) @ jammy | 2026-08-21 | ubuntu |
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)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| openvpn | — | 2.7.5-r0 | — |
Debian:12(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| openvpn | 2.6.11-1 ... 2.6.9-1 (15 versions) | 2.6.14-0+deb12u2 | — |
Debian:13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| openvpn | 2.6.14-1, 2.6.14-1+deb13u1, 2.6.14-1+deb13u2 | 2.6.14-1+deb13u3 | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| openvpn | 2.6.14-1 ... 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.
- 2026-08-21 03:01 UTCEG score recompute
- 2026-08-21 03:01 UTCVendor advisory
- 2026-08-21 03:01 UTCGHSA enrichment
- 2026-08-20 22:55 UTCEPSS rescore
- 2026-08-20 15:13 UTCVendor advisory
- 2026-08-20 15:13 UTCGHSA enrichment
- 2026-08-20 03:25 UTCEG score recompute
- 2026-08-20 03:25 UTCVendor advisory
- 2026-08-20 03:25 UTCGHSA enrichment
- 2026-08-19 17:03 UTCEPSS rescore
- 2026-08-19 15:35 UTCVendor advisory
- 2026-08-19 15:35 UTCGHSA enrichment
- 2026-08-19 03:44 UTCVendor advisory
- 2026-08-19 03:44 UTCGHSA enrichment
- 2026-08-18 15:56 UTCEG score recompute
- 2026-08-18 15:56 UTCVendor advisory
- 2026-08-18 15:55 UTCGHSA enrichment
- 2026-08-18 13:48 UTCEPSS rescore
- 2026-08-18 03:37 UTCVendor advisory
- 2026-08-18 03:37 UTCGHSA enrichment
- 2026-08-17 15:26 UTCEG score recompute
- 2026-08-17 15:26 UTCVendor advisory
- 2026-08-17 15:26 UTCGHSA enrichment
- 2026-08-17 03:38 UTCVendor advisory
- 2026-08-17 03:38 UTCGHSA enrichment
Show 75 moreShow fewer
- 2026-08-16 15:50 UTCEG score recompute
- 2026-08-16 15:50 UTCVendor advisory
- 2026-08-16 15:50 UTCGHSA enrichment
- 2026-08-16 14:56 UTCEPSS rescore
- 2026-08-16 04:02 UTCEG score recompute
- 2026-08-16 04:02 UTCVendor advisory
- 2026-08-16 04:02 UTCGHSA enrichment
- 2026-08-16 02:14 UTCEPSS rescore
- 2026-08-15 16:14 UTCVendor advisory
- 2026-08-15 16:14 UTCGHSA enrichment
- 2026-08-15 04:26 UTCEG score recompute
- 2026-08-15 04:26 UTCVendor advisory
- 2026-08-15 04:26 UTCGHSA enrichment
- 2026-08-15 01:30 UTCEPSS rescore
- 2026-08-14 16:37 UTCVendor advisory
- 2026-08-14 16:37 UTCGHSA enrichment
- 2026-08-14 04:49 UTCEG score recompute
- 2026-08-14 04:49 UTCVendor advisory
- 2026-08-14 04:49 UTCGHSA enrichment
- 2026-08-13 22:00 UTCEPSS rescore
- 2026-08-13 17:01 UTCVendor advisory
- 2026-08-13 17:01 UTCGHSA enrichment
- 2026-08-13 05:13 UTCVendor advisory
- 2026-08-13 05:13 UTCGHSA enrichment
- 2026-08-12 17:26 UTCEG score recompute
- 2026-08-12 17:26 UTCVendor advisory
- 2026-08-12 17:26 UTCGHSA enrichment
- 2026-08-12 13:50 UTCEPSS rescore
- 2026-08-12 05:38 UTCVendor advisory
- 2026-08-12 05:38 UTCGHSA enrichment
- 2026-08-11 17:47 UTCEG score recompute
- 2026-08-11 17:47 UTCVendor advisory
- 2026-08-11 17:47 UTCGHSA enrichment
- 2026-08-11 13:42 UTCEPSS rescore
- 2026-08-11 05:47 UTCEG score recompute
- 2026-08-11 05:47 UTCVendor advisory
- 2026-08-11 05:47 UTCGHSA enrichment
- 2026-08-10 23:59 UTCEPSS rescore
- 2026-08-10 17:59 UTCVendor advisory
- 2026-08-10 17:59 UTCGHSA enrichment
- 2026-08-10 06:02 UTCVendor advisory
- 2026-08-10 06:02 UTCGHSA enrichment
- 2026-08-09 18:14 UTCEG score recompute
- 2026-08-09 18:14 UTCVendor advisory
- 2026-08-09 18:14 UTCGHSA enrichment
- 2026-08-09 13:46 UTCEPSS rescore
- 2026-08-09 06:27 UTCVendor advisory
- 2026-08-09 06:27 UTCGHSA enrichment
- 2026-08-08 18:39 UTCEG score recompute
- 2026-08-08 18:39 UTCVendor advisory
- 2026-08-08 18:39 UTCGHSA enrichment
- 2026-08-08 16:37 UTCEPSS rescore
- 2026-08-08 06:51 UTCVendor advisory
- 2026-08-08 06:51 UTCGHSA enrichment
- 2026-08-07 19:03 UTCEG score recompute
- 2026-08-07 19:03 UTCVendor advisory
- 2026-08-07 19:03 UTCGHSA enrichment
- 2026-08-07 07:15 UTCVendor advisory
- 2026-08-07 07:15 UTCGHSA enrichment
- 2026-08-06 19:27 UTCEG score recompute
- 2026-08-06 19:27 UTCVendor advisory
- 2026-08-06 19:27 UTCGHSA enrichment
- 2026-08-06 13:46 UTCEPSS rescore
- 2026-08-06 07:39 UTCEG score recompute
- 2026-08-06 07:39 UTCVendor advisory
- 2026-08-06 07:39 UTCGHSA enrichment
- 2026-08-05 19:51 UTCEG score recompute▲ 2.10
- 2026-08-05 19:51 UTCVendor advisory
- 2026-08-05 19:51 UTCGHSA enrichment
- 2026-08-05 19:51 UTCNVD updateCVSS v3 → 8.1 · severity → HIGH
- 2026-08-05 19:17 UTCEPSS rescore
- 2026-08-05 06:41 UTCEG score recompute
- 2026-08-05 06:41 UTCGHSA enrichment
- 2026-08-04 15:09 UTCEPSS rescore
- 2026-08-04 10:38 UTCEPSS rescore
Related CVEs(same vendor + same CWE)
Same vendor
10 shownubuntu
- CVE-2004-0989EG 10.0EPSS p97HIGH
- CVE-2004-0990EG 10.0EPSS p98HIGH
- CVE-2004-1010EG 10.0EPSS p95HIGH
- CVE-2004-0941EG 10.0EPSS p95HIGH
- CVE-2004-0981EG 10.0EPSS p93HIGH
- CVE-2004-0882EG 10.0EPSS p96HIGH
- CVE-2004-0888EG 10.0EPSS p95HIGH
- CVE-2004-1012EG 10.0EPSS p93HIGH
- CVE-2004-1013EG 10.0EPSS p93HIGH
- CVE-2004-1018EG 10.0EPSS p97HIGH
Frequently asked(5)
What is CVE-2026-13117?
When was CVE-2026-13117 disclosed?
Is CVE-2026-13117 actively exploited?
What is the CVSS score of CVE-2026-13117?
How do I remediate CVE-2026-13117?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-13117
Is Your Infrastructure Affected by CVE-2026-13117?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.