CVE Explorer
CVE-2026-13122
OpenVPN version 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers to cause a denial of service via a malformed authentication token that triggers a reachable assertion when external-auth is enabled
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"OpenVPN","vendor":"Openvpn","versions":[{"lessThanOrEqual":"2.6.20","status":"affected","version":"2.6.0","versionType":"semver"},{"lessThanOrEqual":"2.7.4","status":"affected","version":"2.7_alpha1","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:b0c0d000b234bdd9fc4c1d98e9703d8e808b7d41af6fb7dcc588993583ac4230 · sha256:7b502a35ba137cb4… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"HIGH","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":5.9,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityI…
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:b0c0d000b234bdd9fc4c1d98e9703d8e808b7d41af6fb7dcc588993583ac4230 · sha256:7b502a35ba137cb4… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-617","description":"CWE-617 Reachable Assertion","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:b0c0d000b234bdd9fc4c1d98e9703d8e808b7d41af6fb7dcc588993583ac4230 · sha256:7b502a35ba137cb4… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"tags":["vendor-advisory"],"url":"https://community.openvpn.net/Security%20Announcements/CVE-2026-13122"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:b0c0d000b234bdd9fc4c1d98e9703d8e808b7d41af6fb7dcc588993583ac4230 · sha256:7b502a35ba137cb4… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.