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CVE-2026-55458 Caddy: RFC 7230 §6.1 compliance issue / Hop-by-hop headers that leak through

🗓️ 05 Nov 2026 20:15:22Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 23 Views

Hop-by-hop headers leak through Caddy reverse proxy via 101 Switching Protocols responses.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-55458
5 Nov 202620:22
–circl
cve
CVE
CVE-2026-55458
5 Nov 202620:15
–cve
debiancve
Debian CVE
CVE-2026-55458
6 Nov 202618:49
–debiancve
euvd
EUVD
EUVD-2026-117782
5 Nov 202620:15
–euvd
github
Github Security Blog
Caddy has an RFC 7230 §6.1 compliance issue / Hop-by-hop headers that leak through
28 Oct 202619:49
–github
mend
Mend
CVE-2026-55458
28 Oct 202622:11
–mend
nvd
NVD
CVE-2026-55458
5 Nov 202621:18
–nvd
osv_debian
osv_debian
DEBIAN-CVE-2026-55458
5 Nov 202621:18
–osv_debian
osv_echo
osv_echo
ECHO-F863-CEC6-C76A
30 Oct 202600:00
–osv_echo
osv_ghsa
osv_ghsa
GHSA-8QX7-J2V2-X6Q5 Caddy has an RFC 7230 §6.1 compliance issue / Hop-by-hop headers that leak through
28 Oct 202619:49
–osv_ghsa
Rows per page
[
  {
    "vendor": "caddyserver",
    "product": "caddy",
    "versions": [
      {
        "version": "< 2.11.5",
        "status": "affected"
      }
    ]
  }
]

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