CVE-2025-14806: IBM Planning Analytics Local Vulnerability

CVE-2025-14806 Overview

IBM Planning Analytics Local versions 2.1.0 through 2.1.17 contains a web cache deception vulnerability that could allow an attacker to trick the caching mechanism into storing and serving sensitive, user-specific responses as publicly cacheable resources. This vulnerability (CWE-524: Use of Cache Containing Sensitive Information) enables attackers to potentially access confidential user data by manipulating how the application handles cached content.

Critical Impact

Attackers can exploit the caching mechanism to access sensitive user-specific data that should remain private, potentially exposing confidential business analytics and planning information to unauthorized parties.

Affected Products

• IBM Planning Analytics Local versions 2.1.0 through 2.1.17
• Microsoft Windows (as the underlying operating system platform)

Discovery Timeline

• 2026-03-17 - CVE CVE-2025-14806 published to NVD
• 2026-03-19 - Last updated in NVD database

Technical Details for CVE-2025-14806

Vulnerability Analysis

This vulnerability stems from improper handling of cache control mechanisms within IBM Planning Analytics Local. The application fails to properly distinguish between user-specific sensitive responses and publicly cacheable content, allowing attackers to manipulate the caching layer into storing private data in shared cache locations.

Web cache deception attacks exploit misconfigurations in how web applications and their caching infrastructure handle URL paths. When an attacker crafts specially designed URLs that appear to request static content but actually serve dynamic, user-specific responses, the caching mechanism may incorrectly store these responses as publicly accessible cached resources.

The vulnerability requires network access and some level of authentication, combined with user interaction. An attacker could trick an authenticated user into visiting a specially crafted URL, causing the user's sensitive response to be cached. The attacker can then retrieve this cached content, gaining unauthorized access to the victim's private analytics data.

Root Cause

The root cause of CVE-2025-14806 is improper implementation of cache control headers and path handling in IBM Planning Analytics Local. The application does not correctly mark user-specific responses with appropriate cache-control directives such as no-store, private, or no-cache. Additionally, the URL parsing logic may allow path confusion attacks where requests for apparent static resources result in dynamic content being served and cached.

Attack Vector

The attack vector for this vulnerability is network-based. An attacker can exploit this vulnerability by:

1. Identifying endpoints that serve sensitive, user-specific data in IBM Planning Analytics Local
2. Crafting a malicious URL that tricks the caching mechanism into treating the response as cacheable static content
3. Enticing an authenticated victim to visit the crafted URL, causing their sensitive response to be stored in the cache
4. Retrieving the cached response to access the victim's sensitive analytics and planning data

The vulnerability mechanism involves cache confusion through URL manipulation. When a victim visits a crafted URL path such as /sensitive-endpoint/nonexistent.css, the server processes the request as a dynamic endpoint serving user data while the cache interprets the .css extension as static content eligible for caching. This mismatch allows the attacker to later retrieve the cached sensitive content by requesting the same URL.

Detection Methods for CVE-2025-14806

Indicators of Compromise

• Unusual URL patterns in web server logs containing static file extensions (.css, .js, .png) appended to dynamic endpoint paths
• Multiple requests from different IP addresses to identical unusual URL paths
• Cache hit responses for URLs that should serve dynamic, user-specific content
• Anomalous access patterns where users appear to be requesting resources outside their normal workflow

Detection Strategies

• Monitor web server and cache logs for requests with suspicious path patterns combining dynamic endpoints with static file extensions
• Implement alerting for cache hit ratios on endpoints known to serve sensitive user data
• Review cache-control headers returned by the application to ensure sensitive endpoints are properly marked as non-cacheable
• Deploy web application firewalls with rules to detect path confusion attack patterns

Monitoring Recommendations

• Enable verbose logging on both the application server and any caching infrastructure (CDN, reverse proxy)
• Configure SIEM rules to correlate multiple requests to unusual URLs across different source IPs
• Establish baseline metrics for cache behavior and alert on deviations that may indicate exploitation attempts
• Periodically audit cached content to identify any sensitive data that has been incorrectly stored

How to Mitigate CVE-2025-14806

Immediate Actions Required

• Review and update IBM Planning Analytics Local to the latest patched version as specified in IBM's security advisory
• Audit current cache configurations and ensure sensitive endpoints are excluded from caching
• Implement strict cache-control headers (Cache-Control: no-store, private) on all endpoints serving user-specific data
• Configure the caching layer to respect application-level cache directives without override

Patch Information

IBM has released a security patch addressing this vulnerability. Administrators should consult the IBM Support Page for CVE-2025-14806 for detailed patching instructions and to download the appropriate update for their environment. Organizations running IBM Planning Analytics Local versions 2.1.0 through 2.1.17 should prioritize applying this patch.

Workarounds

• Configure reverse proxies and CDNs to not cache responses from sensitive application endpoints until the patch is applied
• Implement URL normalization at the network edge to strip suspicious path extensions before requests reach the application
• Add web application firewall rules to block requests containing path confusion patterns
• Consider temporarily disabling caching for the IBM Planning Analytics Local application until the security update is deployed

Administrators should implement cache configuration changes to prevent storage of sensitive responses:

# Configuration example for Apache httpd to prevent caching of sensitive endpoints
# Add to virtual host configuration or .htaccess

<LocationMatch "^/api/">
    Header set Cache-Control "no-store, no-cache, must-revalidate, private"
    Header set Pragma "no-cache"
    Header set Expires "0"
</LocationMatch>

# For nginx, add to server block:
# location /api/ {
#     add_header Cache-Control "no-store, no-cache, must-revalidate, private";
#     add_header Pragma "no-cache";
#     expires off;
# }