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CVE-2026-55458: caddyserver caddy: Caddy is an extensible server platform that uses TLS by default

🗓️ 05 Nov 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 4 Views

Caddy reverse proxy handles 101 responses before header deletion, leaking hop-by-hop headers.

Related
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-55458
5 Nov 202620:22
–circl
cve
CVE
CVE-2026-55458
5 Nov 202620:15
–cve
cvelist
Cvelist
CVE-2026-55458 Caddy: RFC 7230 §6.1 compliance issue / Hop-by-hop headers that leak through
5 Nov 202620:15
–cvelist
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
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05 Nov 2026 00:00Current
5.5Medium risk
Vulners AI Score5.5
CVSS 46.3
EPSS0.00499
4