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CVE-2026-59327 is an information exposure vulnerability in Spring Tools for Eclipse 5.2.0 and earlier. The product stores the Spring Boot DevTools remote secret, configured through spring.devtools.remote.secret, as a plain string attribute in the "Spring Boot DevTools Client" launch configuration. Eclipse persists launch configuration attributes as cleartext XML in workspace metadata or, when the configuration is shared, in project files that may be committed to version control. Because this secret is the sole credential protecting the Spring Boot DevTools remote restart and reload endpoint, disclosure of the launch configuration allows an attacker to recover the secret and authenticate to that endpoint. The endpoint can then be used to submit and execute arbitrary class bytes on the associated Spring Boot application, leading to remote code execution.
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What an attacker gets, and what they’ve been doing with it.
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No public exploit code observed for this vulnerability.
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.
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability involving cleartext storage of the Spring Boot DevTools remote secret in Eclipse launch configurations.
A cleartext storage vulnerability affecting Spring Boot DevTools remote secrets in Eclipse launch configurations.
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.