CVE Explorer
CVE-2026-8286
A vulnerability exists where a new transfer that uses STARTTLS to upgrade the
connection might reuse an existing live connection even though the TLS
configuration mismatches so it should not.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"curl","vendor":"curl","versions":[{"lessThanOrEqual":"8.20.0","status":"affected","version":"8.20.0","versionType":"semver"},{"lessThanOrEqual":"8.19.0","status":"affected","version":"8.19.0","versionType":"semver"},{"lessThanOrEqual":"8.18.0","status":"affected","version":"8.18.0","versionType":"semver"},{"lessThanOrEqual":"8.17.0","status":"affected","version":"8.17.0","versionType":"semver"},{"lessThanOrEqual":"8.16.0","status":"affected","version":"8.16.0","versionType":"semver"},{"lessThanOrEqual":"8.15.0","status":"affected","version":"8.15.0","ve…
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:74f85d2466c5a935cfdc945fbee50be0bc0126052df932adc32679c6c1729c4b · sha256:aac7add123dbc889… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:74f85d2466c5a935cfdc945fbee50be0bc0126052df932adc32679c6c1729c4b · sha256:aac7add123dbc889… · /containers/adp/0/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"description":"CWE-295 Improper Certificate Validation","lang":"en"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:74f85d2466c5a935cfdc945fbee50be0bc0126052df932adc32679c6c1729c4b · sha256:aac7add123dbc889… · /containers/cna/problemTypes/0/descriptions/0
Source references
4 source assertions{"name":"www","url":"https://curl.se/docs/CVE-2026-8286.html"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:74f85d2466c5a935cfdc945fbee50be0bc0126052df932adc32679c6c1729c4b · sha256:aac7add123dbc889… · /containers/cna/references/1
{"name":"json","url":"https://curl.se/docs/CVE-2026-8286.json"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:74f85d2466c5a935cfdc945fbee50be0bc0126052df932adc32679c6c1729c4b · sha256:aac7add123dbc889… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://hackerone.com/reports/3718195"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:74f85d2466c5a935cfdc945fbee50be0bc0126052df932adc32679c6c1729c4b · sha256:aac7add123dbc889… · /containers/adp/0/references/0
{"name":"issue","url":"https://hackerone.com/reports/3718195"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:74f85d2466c5a935cfdc945fbee50be0bc0126052df932adc32679c6c1729c4b · sha256:aac7add123dbc889… · /containers/cna/references/2
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.