DEBIAN-CVE-2026-8368
LWP::UserAgent versions before 6.83 for Perl leak Authorization and Proxy-Authorization headers on cross-origin redirects. On a 3xx response, the redirect handler strips only Host and Cookie before issuing the follow-up request. Caller-supplied Authorization and Proxy-Authorization headers are sent unchanged to the redirect target, including across scheme, host, or port changes. A redirect to an attacker controlled host therefore discloses the caller's credentials to that host.
DEBIAN-CVE-2026-8368
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: osv:DEBIAN-CVE-2026-8368
libwww-perl
Source reference: /affected/0/package/name
- Affected versions
- 6.68-1
Source reference:
/affected/0/versions6.70-1Source reference:
/affected/0/versions6.71-1Source reference:
/affected/0/versions6.71-2Source reference:
/affected/0/versions6.72-1Source reference:
/affected/0/versions6.73-1Source reference:
/affected/0/versions6.76-1Source reference:
/affected/0/versions6.77-1Source reference:
/affected/0/versions6.78-1Source reference:
/affected/0/versions6.80-1Source reference:
/affected/0/versions6.81-1Source reference:
/affected/0/versions6.82-1Source reference:
/affected/0/versions6.83-1Source reference:
/affected/0/versions - Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
libwww-perl
Source reference: /affected/1/package/name
- Affected versions
- 6.78-1
Source reference:
/affected/1/versions6.80-1Source reference:
/affected/1/versions6.81-1Source reference:
/affected/1/versions6.82-1Source reference:
/affected/1/versions6.83-1Source reference:
/affected/1/versions - Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
libwww-perl
Source reference: /affected/2/package/name
- Affected versions
- 6.78-1
Source reference:
/affected/2/versions6.80-1Source reference:
/affected/2/versions6.81-1Source reference:
/affected/2/versions6.82-1Source reference:
/affected/2/versions - Fixed versions
- 6.83-1
Source reference:
/affected/2/ranges - Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "libwww-perl",
"purl": "pkg:deb/debian/libwww-perl?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"6.68-1",
"6.70-1",
"6.71-1",
"6.71-2",
"6.72-1",
"6.73-1",
"6.76-1",
"6.77-1",
"6.78-1",
"6.80-1",
"6.81-1",
"6.82-1",
"6.83-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-8368.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "libwww-perl",
"purl": "pkg:deb/debian/libwww-perl?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"6.78-1",
"6.80-1",
"6.81-1",
"6.82-1",
"6.83-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-8368.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "6.83-1"
}
]
}
],
"package": {
"name": "libwww-perl",
"purl": "pkg:deb/debian/libwww-perl?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"6.78-1",
"6.80-1",
"6.81-1",
"6.82-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-8368.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
]Publisher severity
No explicit severity was provided.
- Event
- #58249 · Revision 1
- Added to Heist Feed
- Publisher date