{"id":"CVE-2025-11919","aliases":["EUVD-2025-210362","GHSA-6f68-j9jr-9q2w"],"status":"published","title":"Unprotected temporary directories in Wolfram Cloud may result in privilege escalation","description":"The default JVM can access files and directories under `/tmp/` including the `$TemporaryDirectory` of other users on the same cloud instance (`/tmp/UserTemporaryFiles/`).  The `-init` file for the the JVM initialization exists in the vulnerable directory during the startup of the JVM.  An attacker with access to the shared `/tmp/` space can preemptively create or replace `.jar` files or directories (via the `-init` file) that the victim JVM will resolve first in its classpath.  By strategically placing a malicious version of a commonly used library (e.g., `commons-io`) in a location that is included in the classpath before the legitimate version, an attacker can cause the JVM to load the malicious class during startup, thereby executing the attacker's code.","severity":{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N","level":"critical","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00487,"percentile":0.42388,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2026-06-26T15:39:41Z","modified":"2026-09-29T19:10:00Z","products":[{"vendor":"cisco","product":"cloud"},{"vendor":"wolfram research inc.","product":"cloud"}],"references":[{"url":"https://github.com/PeterRoberge/vulnerability-wolfram-cloud-14.2/blob/main/disclosure.md","tags":["exploit"]},{"url":"https://www.kb.cert.org/vuls/id/553375"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-11919"},{"url":"https://github.com/advisories/GHSA-6f68-j9jr-9q2w"}],"sources":{"cve":[{"id":"CVE-2025-11919","title":"Unprotected temporary directories in Wolfram Cloud may result in privilege escalation","description":"The default JVM can access files and directories under `/tmp/` including the `$TemporaryDirectory` of other users on the same cloud instance (`/tmp/UserTemporaryFiles/`).  The `-init` file for the the JVM initialization exists in the vulnerable directory during the startup of the JVM.  An attacker with access to the shared `/tmp/` space can preemptively create or replace `.jar` files or directories (via the `-init` file) that the victim JVM will resolve first in its classpath.  By strategically placing a malicious version of a commonly used library (e.g., `commons-io`) in a location that is included in the classpath before the legitimate version, an attacker can cause the JVM to load the malicious class during startup, thereby executing the attacker's code.","status":"published","published":"2026-06-26T15:39:41.353Z","modified":"2026-06-26T17:40:10.72Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N","level":"critical","assessor":"adp"}],"updated_at":"2026-11-02T14:32:50.872559Z"}],"euvd":[{"id":"EUVD-2025-210362","description":"The default JVM can access files and directories under `/tmp/` including the `$TemporaryDirectory` of other users on the same cloud instance (`/tmp/UserTemporaryFiles/`).  The `-init` file for the the JVM initialization exists in the vulnerable directory during the startup of the JVM.  An attacker with access to the shared `/tmp/` space can preemptively create or replace `.jar` files or directories (via the `-init` file) that the victim JVM will resolve first in its classpath.  By strategically placing a malicious version of a commonly used library (e.g., `commons-io`) in a location that is included in the classpath before the legitimate version, an attacker can cause the JVM to load the malicious class during startup, thereby executing the attacker's code.","status":"published","published":"2026-06-26T15:39:41Z","modified":"2026-06-26T17:40:10Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N","level":"critical"}],"updated_at":"2026-11-02T18:20:24.118614Z"}],"ghsa":[{"id":"GHSA-6f68-j9jr-9q2w","title":"The default JVM can access files and directories under `/tmp/` including the `$TemporaryDirectory...","description":"The default JVM can access files and directories under `/tmp/` including the `$TemporaryDirectory` of other users on the same cloud instance (`/tmp/UserTemporaryFiles/`).  The `-init` file for the the JVM initialization exists in the vulnerable directory during the startup of the JVM.  An attacker with access to the shared `/tmp/` space can preemptively create or replace `.jar` files or directories (via the `-init` file) that the victim JVM will resolve first in its classpath.  By strategically placing a malicious version of a commonly used library (e.g., `commons-io`) in a location that is included in the classpath before the legitimate version, an attacker can cause the JVM to load the malicious class during startup, thereby executing the attacker's code.","status":"published","published":"2026-06-26T18:33:58Z","modified":"2026-06-26T18:34:05Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N","level":"critical"}],"updated_at":"2026-11-02T15:09:01.878033Z"}],"nvd":[{"id":"CVE-2025-11919","description":"The default JVM can access files and directories under `/tmp/` including the `$TemporaryDirectory` of other users on the same cloud instance (`/tmp/UserTemporaryFiles/`).  The `-init` file for the the JVM initialization exists in the vulnerable directory during the startup of the JVM.  An attacker with access to the shared `/tmp/` space can preemptively create or replace `.jar` files or directories (via the `-init` file) that the victim JVM will resolve first in its classpath.  By strategically placing a malicious version of a commonly used library (e.g., `commons-io`) in a location that is included in the classpath before the legitimate version, an attacker can cause the JVM to load the malicious class during startup, thereby executing the attacker's code.","status":"published","published":"2026-06-26T16:16:29.193Z","modified":"2026-09-29T19:10:00.16Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N","level":"critical","assessor":"secondary"}],"updated_at":"2026-11-02T14:12:02.535029Z"}]}}