CakePHP Authentication: Open redirect weakness via backslash bypass
The advisory, in context
Impact
The getLoginRedirect() method contains a weakness to backslash bypasses allowing redirect targets with attacker controlled hostnames.
Patches
2.11.1, 3.3.6 and 4.1.1 contain a fix for this issue.
Workarounds
If you are unable to upgrade, you should consider adding application validation to the redirect query string parameter to mitigate this vulnerability.
Affected packages
Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.
From 3.0.0 before 3.3.6
Fixed in 3.3.6
18 explicitly affected versions
3.0.0, 3.0.1, 3.0.2, 3.0.3, 3.1.0, 3.1.1, 3.2.0, 3.2.1, 3.2.2, 3.2.3, 3.2.4, 3.2.5, 3.3.0, 3.3.1, 3.3.2, 3.3.3, 3.3.4, 3.3.5
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "3.0.0"
},
{
"fixed": "3.3.6"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3.0.0",
"3.0.1",
"3.0.2",
"3.0.3",
"3.1.0",
"3.1.1",
"3.2.0",
"3.2.1",
"3.2.2",
"3.2.3",
"3.2.4",
"3.2.5",
"3.3.0",
"3.3.1",
"3.3.2",
"3.3.3",
"3.3.4",
"3.3.5"
]
}From 4.0.0 before 4.1.1
Fixed in 4.1.1
3 explicitly affected versions
4.0.0, 4.0.1, 4.1.0
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "4.0.0"
},
{
"fixed": "4.1.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"4.0.0",
"4.0.1",
"4.1.0"
]
}Earlier releases before 2.11.1
Fixed in 2.11.1
50 explicitly affected versions
1.0.0, 1.0.0-alpha1, 1.0.0-beta1, 1.0.0-beta2, 1.0.0-beta3, 1.0.0-beta4, 1.0.0-rc1, 1.0.0-rc2, 1.0.0-rc3, 1.0.0-rc4, 1.0.0-rc5, 1.0.0-rc6, 1.0.0-rc7, 1.0.0-rc8, 1.0.0-rc9, 1.0.1, 1.1.0, 1.1.1, 1.1.2, 1.1.3, 1.1.4, 1.1.5, 1.2.0, 1.2.1, 1.3.0, 1.4.0, 1.4.1, 1.4.2, 2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.0.5, 2.1.0, 2.10.0, 2.10.1, 2.10.2, 2.11.0, 2.2.0, 2.3.0, 2.3.1, 2.4.0, 2.5.0, 2.6.0, 2.6.1, 2.6.2, 2.7.0, 2.8.0, 2.9.0
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.11.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.0.0",
"1.0.0-alpha1",
"1.0.0-beta1",
"1.0.0-beta2",
"1.0.0-beta3",
"1.0.0-beta4",
"1.0.0-rc1",
"1.0.0-rc2",
"1.0.0-rc3",
"1.0.0-rc4",
"1.0.0-rc5",
"1.0.0-rc6",
"1.0.0-rc7",
"1.0.0-rc8",
"1.0.0-rc9",
"1.0.1",
"1.1.0",
"1.1.1",
"1.1.2",
"1.1.3",
"1.1.4",
"1.1.5",
"1.2.0",
"1.2.1",
"1.3.0",
"1.4.0",
"1.4.1",
"1.4.2",
"2.0.0",
"2.0.1",
"2.0.2",
"2.0.3",
"2.0.4",
"2.0.5",
"2.1.0",
"2.10.0",
"2.10.1",
"2.10.2",
"2.11.0",
"2.2.0",
"2.3.0",
"2.3.1",
"2.4.0",
"2.5.0",
"2.6.0",
"2.6.1",
"2.6.2",
"2.7.0",
"2.8.0",
"2.9.0"
]
}References
- https://github.com/cakephp/authentication/security/advisories/GHSA-hhpq-7wg4-36jm
- https://nvd.nist.gov/vuln/detail/CVE-2026-55590
- https://github.com/cakephp/authentication/pull/795
- https://github.com/cakephp/authentication/pull/796
- https://github.com/cakephp/authentication/pull/799
- https://github.com/cakephp/authentication/commit/1c1e29c7e8129cfbcae74558316ecd3ea50a8273
- https://github.com/cakephp/authentication/commit/df28ea4e712f1e5bd0e42be4a3c5c750ca50764d
- https://github.com/cakephp/authentication/commit/ee24bd48b9c3ef693dc9965de8f0cc8020a7052c
- https://github.com/cakephp/authentication
- https://github.com/cakephp/authentication/releases/tag/2.11.1
- https://github.com/cakephp/authentication/releases/tag/3.3.6
- https://github.com/cakephp/authentication/releases/tag/4.1.1