{"cve":"CVE-2026-48058","nvd":{"published":"2026-07-28T19:17:34.747","modified":"2026-10-23T23:10:00.157","status":"Deferred","description":"nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3.2, internal/web/session.go and internal/web/oidc.go set HttpOnly and SameSite=Lax on every cookie but never Secure. A single plaintext request to the origin (operator on a LAN, mistyped URL, HTTP→HTTPS not strictly enforced, reverse proxy misconfiguration) discloses the session. This issue has been patched in version 0.3.2.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U","score":4.6},"cvss_v3":null,"cwes":["CWE-614"],"references":["https://github.com/forgekeep/nebula-mesh/commit/ffdd67dbf221d9a5855c39fbe11b49c245048d85","https://github.com/forgekeep/nebula-mesh/releases/tag/v0.3.2","https://github.com/forgekeep/nebula-mesh/security/advisories/GHSA-rqfj-vv8r-xhqc","https://github.com/forgekeep/nebula-mesh/security/advisories/GHSA-rqfj-vv8r-xhqc"],"products":[],"source":"nvd","synced_at":"2026-10-24T16:53:27.712498749+00:00"},"epss":{"cve":"CVE-2026-48058","score":0.00246,"percentile":0.15673,"date":"2026-10-26"},"kev":null,"osv":[{"id":"GHSA-rqfj-vv8r-xhqc","url":"https://osv.dev/vulnerability/GHSA-rqfj-vv8r-xhqc","summary":"nebula-mesh: Session and OIDC state cookies lack the Secure attribute","modified":"2026-06-25T23:11:33.882828317Z","packages":[{"ecosystem":"Go","name":"github.com/juev/nebula-mesh","purl":"pkg:golang/github.com/juev/nebula-mesh","ranges":["<0.3.2"],"fixed":["0.3.2"]}]},{"id":"GO-2026-5635","url":"https://osv.dev/vulnerability/GO-2026-5635","summary":"nebula-mesh: Session and OIDC state cookies lack the Secure attribute in github.com/juev/nebula-mesh","modified":"2026-06-25T23:01:25.577510354Z","packages":[{"ecosystem":"Go","name":"github.com/juev/nebula-mesh","purl":"pkg:golang/github.com/juev/nebula-mesh","ranges":["<0.3.2"],"fixed":["0.3.2"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}