CVE Explorer
CVE-2026-32627
cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.37.2, when a cpp-httplib client is configured with a proxy and set_follow_location(true), any HTTPS redirect it follows will have TLS certificate and hostname verification silently disabled on the new connection. The client will accept any certificate presented by the redirect target — expired, self-signed, or forged — without raising an error or notifying the application. A network attacker in a positio
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"cpp-httplib","vendor":"yhirose","versions":[{"status":"affected","version":"< 0.37.2"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:bdf8900508e591673d9c71a20a116052a4dfaa82418afec44977672d0dfea603 · sha256:63d6b345f986b671… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.7,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:bdf8900508e591673d9c71a20a116052a4dfaa82418afec44977672d0dfea603 · sha256:63d6b345f986b671… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-295","description":"CWE-295: Improper Certificate Validation","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:bdf8900508e591673d9c71a20a116052a4dfaa82418afec44977672d0dfea603 · sha256:63d6b345f986b671… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"name":"https://github.com/yhirose/cpp-httplib/security/advisories/GHSA-c3h8-fqq4-xm4g","tags":["x_refsource_CONFIRM"],"url":"https://github.com/yhirose/cpp-httplib/security/advisories/GHSA-c3h8-fqq4-xm4g"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:bdf8900508e591673d9c71a20a116052a4dfaa82418afec44977672d0dfea603 · sha256:63d6b345f986b671… · /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.