CVE-2026-80255

Name
CVE-2026-80255
Description
A `Set-Cookie:` header using tab (horizontal tab, ASCII code 9) instead of space (ascii code 32) immediately before the `Secure` attribute causes curl to store the cookie without its Secure flag. The cookie might then wrongfully be sent over plaintext HTTP on subsequent requests to the same host.
NVD Severity
unknown
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
2499f714-1537-4658-8207-48ae4bb9eae9 https://curl.se/docs/CVE-2026-80255.html
2499f714-1537-4658-8207-48ae4bb9eae9 https://curl.se/docs/CVE-2026-80255.json
2499f714-1537-4658-8207-48ae4bb9eae9 https://hackerone.com/reports/3972395

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:* curl >= 8.13.0 < 8.22.0

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
curl edge-main 8.22.0-r0 Achill Gilgenast <achill@achill.org> fixed
curl edge-main 8.21.0-r0 Achill Gilgenast <achill@achill.org> possibly vulnerable
curl edge-main 8.20.0-r1 Achill Gilgenast <achill@achill.org> possibly vulnerable
curl edge-main 8.20.0-r0 Achill Gilgenast <achill@achill.org> possibly vulnerable
curl edge-main 8.19.0-r0 Achill Gilgenast <achill@achill.org> possibly vulnerable
curl edge-main 8.18.0-r0 Achill Gilgenast <achill@achill.org> possibly vulnerable
curl edge-main 8.17.0-r1 Achill Gilgenast <achill@achill.org> possibly vulnerable
curl edge-main 8.17.0-r0 Achill Gilgenast <achill@achill.org> possibly vulnerable
curl edge-main 8.16.0-r2 Achill Gilgenast <achill@achill.org> possibly vulnerable
curl edge-main 8.16.0-r1 Achill Gilgenast <achill@achill.org> possibly vulnerable
curl edge-main 8.16.0-r0 Achill Gilgenast <achill@achill.org> possibly vulnerable
curl edge-main 8.15.0-r2 Achill Gilgenast <achill@achill.org> possibly vulnerable
curl edge-main 8.15.0-r1 Achill Gilgenast <achill@achill.org> possibly vulnerable
curl edge-main 8.15.0-r0 fossdd <fossdd@pwned.life> possibly vulnerable
curl edge-main 8.14.1-r2 fossdd <fossdd@pwned.life> possibly vulnerable
curl edge-main 8.14.1-r1 fossdd <fossdd@pwned.life> possibly vulnerable
curl edge-main 8.14.1-r0 fossdd <fossdd@pwned.life> possibly vulnerable
curl edge-main 8.14.0-r2 fossdd <fossdd@pwned.life> possibly vulnerable
curl edge-main 8.14.0-r1 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
curl edge-main 8.14.0-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
curl edge-main 8.13.0-r1 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
curl edge-main 8.13.0-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
curl 3.24-main 8.22.0-r0 Achill Gilgenast <achill@achill.org> fixed
curl 3.24-main 8.21.0-r0 Achill Gilgenast <achill@achill.org> possibly vulnerable
curl 3.24-main 8.20.0-r1 Achill Gilgenast <achill@achill.org> possibly vulnerable
curl 3.23-main 8.22.0-r0 Achill Gilgenast <achill@achill.org> fixed
curl 3.23-main 8.20.0-r0 Achill Gilgenast <achill@achill.org> possibly vulnerable
curl 3.23-main 8.19.0-r0 Achill Gilgenast <achill@achill.org> possibly vulnerable
curl 3.23-main 8.17.0-r1 Achill Gilgenast <achill@achill.org> possibly vulnerable
curl 3.22-main 8.14.1-r3 fossdd <fossdd@pwned.life> possibly vulnerable
curl 3.22-main 8.14.1-r2 fossdd <fossdd@pwned.life> possibly vulnerable
curl 3.22-main 8.14.1-r1 fossdd <fossdd@pwned.life> possibly vulnerable
curl 3.22-main 8.14.1-r0 None possibly vulnerable
curl 3.22-main 8.14.0-r0 None possibly vulnerable
curl 3.21-main 8.14.1-r2 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
curl 3.21-main 8.14.1-r0 None possibly vulnerable
curl 3.21-main 8.14.0-r0 None possibly vulnerable
curl 3.20-main 8.14.1-r2 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
curl 3.20-main 8.14.1-r0 None possibly vulnerable
curl 3.20-main 8.14.0-r0 None possibly vulnerable
curl 3.19-main 8.14.1-r2 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
curl 3.19-main 8.14.1-r0 None possibly vulnerable
curl 3.19-main 8.14.0-r0 None possibly vulnerable