{"id":"CVE-2026-2587","state":"PUBLISHED","title":"A critical Remote Code Execution (RCE) vulnerability was identified in the server-side template rendering mechanism used by the Glassfish gadget handler. The application processes ","description":"A critical Remote Code Execution (RCE) vulnerability was identified in the server-side template rendering mechanism used by the Glassfish gadget handler. The application processes .xml files and evaluates user-supplied values within a context where Expression Language (EL) “expressions” are processed without proper sanitization or escaping. By injecting expressions such as #{7*7}, the server returns 49, confirming server-side EL evaluation. This issue allows a remote attacker to fully compromise the underlying host, enabling capabilities as reading/modifying data, executing arbitrary commands, persistence, and lateral movement. This issue affects Eclipse GlassFish: from 8.0.0 to 8.0.1, fixed in 8.0.2; 7.1.0, fixed in 7.1.1; from 7.0.0 to 7.0.25, fixed in 7.0.26. Impact on versions from 5.1.0 to 6.2.5 is unknown.","publishedAt":"2026-05-19T14:03:18.650Z","updatedAt":"2026-06-29T08:41:24.518Z","severity":{"score":9.6,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","source":"eclipse"},"assigner":"eclipse","products":["Eclipse Foundation Eclipse Glassfish"],"affected":[{"vendor":"Eclipse Foundation","product":"Eclipse Glassfish","defaultStatus":"unaffected","versions":[{"version":"5.1.0","status":"unknown","lessThanOrEqual":"6.2.5","versionType":"semver"},{"version":"7.0.0","status":"affected","lessThan":"7.0.26","versionType":"semver"},{"version":"7.1.0","status":"affected","lessThan":"7.1.1","versionType":"semver"},{"version":"8.0.0","status":"affected","lessThan":"8.0.2","versionType":"semver"}],"repo":"https://github.com/eclipse-ee4j/glassfish"}],"references":["https://gitlab.eclipse.org/security/cve-assignment/-/issues/86"],"weaknesses":["CWE-917"],"ingestedAt":"2026-10-29T20:11:31.369Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/2xxx/CVE-2026-2587.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-2587","state":"PUBLISHED","datePublished":"2026-05-19T14:03:18.650Z","dateUpdated":"2026-06-29T08:41:24.518Z","assignerShortName":"eclipse","assignerOrgId":"e51fbebd-6053-4e49-959f-1b94eeb69a2c","dateReserved":"2026-02-16T14:14:23.896Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A critical Remote Code Execution (RCE) vulnerability was identified in the server-side template rendering mechanism used by the Glassfish gadget handler. The application processes .xml files and evaluates user-supplied values within a context where Expression Language (EL) “expressions” are processed without proper sanitization or escaping. By injecting expressions such as #{7*7}, the server returns 49, confirming server-side EL evaluation. This issue allows a remote attacker to fully compromise the underlying host, enabling capabilities as reading/modifying data, executing arbitrary commands, persistence, and lateral movement. This issue affects Eclipse GlassFish: from 8.0.0 to 8.0.1, fixed in 8.0.2; 7.1.0, fixed in 7.1.1; from 7.0.0 to 7.0.25, fixed in 7.0.26. Impact on versions from 5.1.0 to 6.2.5 is unknown."}],"affected":[{"vendor":"Eclipse Foundation","product":"Eclipse Glassfish","defaultStatus":"unaffected","versions":[{"version":"5.1.0","status":"unknown","lessThanOrEqual":"6.2.5","versionType":"semver"},{"version":"7.0.0","status":"affected","lessThan":"7.0.26","versionType":"semver"},{"version":"7.1.0","status":"affected","lessThan":"7.1.1","versionType":"semver"},{"version":"8.0.0","status":"affected","lessThan":"8.0.2","versionType":"semver"}],"repo":"https://github.com/eclipse-ee4j/glassfish"}],"references":[{"url":"https://gitlab.eclipse.org/security/cve-assignment/-/issues/86"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseSeverity":"CRITICAL","baseScore":9.6,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-917","lang":"en","description":"CWE-917 Improper neutralization of special elements used in an expression language statement ('expression language injection')","type":"CWE"}]}],"providerMetadata":{"shortName":"eclipse","orgId":"e51fbebd-6053-4e49-959f-1b94eeb69a2c","dateUpdated":"2026-06-29T08:41:24.518Z"},"credits":[{"lang":"en","value":"Camilo G. AkA Dedalo (DeepSecurity Perú)","type":"finder"}],"x_generator":{"engine":"Vulnogram 1.0.2"},"source":{"discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-19T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-2587"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-20T03:55:38.111Z"}}]}}}