Information Disclosure via Static Resource Cache in Spring MVC and WebFlux
CVE-2026-41841 is an information disclosure vulnerability in Spring Framework affecting Spring MVC and Spring WebFlux applications during static resource resolution. The issue arises when an application defines multiple resource handlers with different resource locations, at least one of those handlers protects resources with authentication, and the handlers share a cache. Under those conditions, if a publicly accessible resource is resolved first and cached, an attacker may subsequently obtain a protected resource with the same name from the shared cache. Affected versions are Spring Framework 7.0.0 through 7.0.7, 6.2.0 through 6.2.18, 6.1.0 through 6.1.27, and 5.3.0 through 5.3.48; unsupported versions may also be affected.
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Impact, mitigation & remediation
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
Impact
What an attacker gets, and what they’ve been doing with it.
Mitigation
If you can’t patch tonight, do this now.
Remediation
Patch, then assume compromise.
Exploits
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Affected products & vendors
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
Recent activity
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An information disclosure vulnerability in shared resource caching logic that may expose cached static assets to unauthorized users.
An information disclosure vulnerability in Spring Framework affecting Spring MVC and Spring WebFlux static resource resolution when multiple resource handlers with different locations share a cache, potentially allowing access to protected resources.
The version that knows your environment.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.