8000 Wildcards should not be allowed if authority cannot be parsed by rmartinc · Pull Request #49130 · keycloak/keycloak · GitHub
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Wildcards should not be allowed if authority cannot be parsed #49130

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Merged
stianst merged 1 commit into from
May 20, 2026
Merged

Wildcards should not be allowed if authority cannot be parsed #49130

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3 changes: 2 additions & 1 deletion services/src/main/java/org/keycloak/protocol/oidc/utils/RedirectUtils.java
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Original file line number Diff line number Diff line change
Expand Up @@ -154,8 +154,9 @@ private static URI toUri(String redirectUri) {
"(/|%2[fF]|%5[cC]|\\\\)(%2[eE]|\\.){2}(/|%2[fF]|%5[cC]|\\\\|;)|(/|%2[fF]|%5[cC]|\\\\)(%2[eE]|\\.){2}$");

private static boolean areWildcardsAllowed(URI redirectUri) {
// wildcars are only allowed if no user-info and no unsafe pattern in path
// wildcars are only allowed if no user-info and no unparsed authority and no unsafe pattern in path
return redirectUri.getRawUserInfo() == null
&& !(redirectUri.getRawAuthority() != null && redirectUri.getRawUserInfo() == null && redirectUri.getHost() == null && redirectUri.getPort() == -1)
&& (redirectUri.getRawPath() == null || !UNSAFE_PATH_PATTERN.matcher(redirectUri.getRawPath()).find());
}

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2 changes: 2 additions & 0 deletions services/src/test/java/org/keycloak/protocol/oidc/utils/RedirectUtilsTest.java
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Expand Up @@ -238,6 +238,8 @@ public void testUserInfo() {
Assert.assertNull(RedirectUtils.verifyRedirectUri(session, null, "https://test.com@other.com", set, false));
Assert.assertNull(RedirectUtils.verifyRedirectUri(session, null, "https://something@keycloak.org/path", set, false));
Assert.assertNull(RedirectUtils.verifyRedirectUri(session, null, "https://some%20thing@test.com/path", set, false));
Assert.assertNull(RedirectUtils.verifyRedirectUri(session, null, "https://test@something@test.com/path", set, false));
< 5BC3 /td> Assert.assertNull(RedirectUtils.verifyRedirectUri(session, null, "https://test@test.com:-2/path", set, false));
}

@Test
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