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Fix IDOR alt-path: require exact path match (Challenge-42) #493

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beanbeah wants to merge 2 commits into from
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Fix IDOR alt-path: require exact path match (Challenge-42) #493

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a30f123
fix(build): bump lombok to 1.18.46 for JDK 25 CI compatibility
beanbeah Aug 9, 2026
d700a30
fix: require exact path match in IDOR alt-path own-profile assignment
beanbeah Aug 9, 2026
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2 changes: 1 addition & 1 deletion pom.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -238,7 +238,7 @@
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.36</version>
<version>1.18.46</version>
<scope>provided</scope>
<optional>true</optional>
</dependency>
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9 changes: 7 additions & 2 deletions src/main/java/org/owasp/webgoat/lessons/idor/IDORViewOwnProfileAltUrl.java
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Expand Up @@ -37,8 +37,13 @@ public AttackResult completed(@RequestParam String url) {
// going to use session auth to view this one
String authUserId = (String) userSessionData.getValue("idor-authenticated-user-id");
// don't care about http://localhost:8080 ... just want WebGoat/
String[] urlParts = url.split("/");
if (urlParts[0].equals("WebGoat")
// Use limit -1 so a trailing slash doesn't get silently swallowed (Java's split()
// drops trailing empty strings by default), then require the path to be exactly
// four segments long so extra/trailing segments appended after the user id can't
// be smuggled past this check.
String[] urlParts = url.split("/", -1);
if (urlParts.length == 4
&& urlParts[0].equals("WebGoat")
&& urlParts[1].equals("IDOR")
&& urlParts[2].equals("profile")
&& urlParts[3].equals(authUserId)) {
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