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CVE-2026-41843 is a medium-severity path traversal vulnerability in Spring Framework static-resource resolution for Spring MVC and Spring WebFlux. In affected releases, malicious requests involving versioned static resources can cause resource resolution outside the application's configured static-resource locations. Affected Spring Framework versions are 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.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
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.
11 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A path traversal vulnerability in Spring MVC and WebFlux static-resource resolution. The advisory assigns a CVSS v3 base score of 5.9, indicating potential high confidentiality impact through unauthenticated network exploitation with high attack complexity. It recommends updating org.springframework:spring-webflux and related packages to version 6.2.19 or later.
Unknown.
A path traversal vulnerability mentioned only as another vulnerability fixed in the same coordinated Spring release.
A path traversal vulnerability in Spring Framework affecting Spring MVC and Spring WebFlux applications that serve static resources from the file system with versioned resource support enabled, allowing attackers to resolve files outside configured locations under specific conditions.
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.