{"id":"CVE-2025-3931","aliases":["ALSA-2025:7592","EUVD-2025-14867","GHSA-rpg2-jvhp-h354","GO-2025-3688","RHSA-2025:7592","RLSA-2025:7592","openSUSE-SU-2025:15135-1"],"status":"published","title":"Yggdrasil: local privilege escalation in yggdrasil","description":"A flaw was found in Yggdrasil, which acts as a system broker, allowing the processes to communicate to other children's \"worker\" processes through the DBus component. Yggdrasil creates a DBus method to dispatch messages to workers. However, it misses authentication and authorization checks, allowing every system user to call it. One available Yggdrasil worker acts as a package manager with capabilities to create and enable new repositories and install or remove packages. \n\nThis flaw allows an attacker with access to the system to leverage the lack of authentication on the dispatch message to force the Yggdrasil worker to install arbitrary RPM packages. This issue results in local privilege escalation, enabling the attacker to access and modify sensitive system data.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00181,"percentile":0.0775,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-280"],"published":"2025-05-14T00:00:00Z","modified":"2026-11-05T21:15:51Z","affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/redhatinsights/yggdrasil","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.4.6"}]}]},{"source":"osv","ecosystem":"AlmaLinux:10","package":"yggdrasil","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4.5-3.el10_0"}]}],"bundled":2},{"source":"osv","ecosystem":"AlmaLinux:10","package":"yggdrasil-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4.5-3.el10_0"}]}],"bundled":2},{"source":"osv","ecosystem":"Go","package":"github.com/redhatinsights/yggdrasil","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"0.4.6"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/redhatinsights/yggdrasil","ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:10.0","package":"yggdrasil","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.4.5-3.el10_0"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:10.0","package":"yggdrasil-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.4.5-3.el10_0"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:10.0","package":"yggdrasil-debugsource","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.4.5-3.el10_0"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:10.0","package":"yggdrasil-examples-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.4.5-3.el10_0"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:10.0","package":"yggdrasil-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.4.5-3.el10_0"}]}],"bundled":2},{"source":"osv","ecosystem":"Rocky Linux:10","package":"yggdrasil","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.4.5-3.el10_0"}]}],"bundled":2},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"govulncheck-vulndb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.0.20250515T200012-1.1"}]}],"bundled":11}],"products":[{"vendor":"red hat","product":"red hat enterprise linux 10"},{"vendor":"red hat","product":"red hat enterprise linux 8"},{"vendor":"red hat","product":"red hat enterprise linux 9"},{"vendor":"red hat","product":"red hat satellite 6"}],"references":[{"url":"https://access.redhat.com/errata/RHSA-2025:7592","tags":["vendor-advisory","x_refsource_REDHAT","advisory","web"]},{"url":"https://access.redhat.com/security/cve/CVE-2025-3931","tags":["vdb-entry","x_refsource_REDHAT","advisory","web","report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2362345","tags":["issue-tracking","x_refsource_REDHAT","report","web"]},{"url":"https://github.com/RedHatInsights/yggdrasil/pull/336","tags":["fix","web","article"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-3931","tags":["advisory"]},{"url":"https://github.com/RedHatInsights/yggdrasil/commit/196d0cbea42f72e6dfecaa563681a99e9fdb4a38","tags":["web"]},{"url":"https://github.com/advisories/GHSA-rpg2-jvhp-h354","tags":["advisory"]},{"url":"https://bugzilla.redhat.com/2362345","tags":["report"]},{"url":"https://errata.almalinux.org/10/ALSA-2025-7592.html","tags":["advisory"]},{"url":"https://www.redhat.com/security/data/cve/CVE-2024-45336.html","tags":["report"]},{"url":"https://www.redhat.com/security/data/cve/CVE-2025-3931.html","tags":["report"]},{"url":"https://access.redhat.com/downloads/content/package-browser/","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/3xxx/CVE-2025-3931.json","tags":["advisory"]},{"url":"https://github.com/RedHatInsights/yggdrasil","tags":["package"]},{"url":"https://access.redhat.com/security/updates/classification/#important","tags":["article"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_7592.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2024-45336","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2341751","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2024-45336","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-45336","tags":["advisory"]},{"url":"https://github.com/golang/go/issues/70530","tags":["article"]},{"url":"https://groups.google.com/g/golang-announce/c/sSaUhLA-2SI","tags":["article"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-3931","tags":["advisory"]},{"url":"https://errata.rockylinux.org/RLSA-2025:7592","tags":["advisory"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/QOPKRPL75SZMLT3YSQAZEDWH7RBRXGJK/","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2024-52290","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-8063","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-3757","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-3931","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-4432","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-46331","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-4658","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-46721","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-46735","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-46815","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-46816","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2025-3931","title":"Yggdrasil: local privilege escalation in yggdrasil","description":"A flaw was found in Yggdrasil, which acts as a system broker, allowing the processes to communicate to other children's \"worker\" processes through the DBus component. Yggdrasil creates a DBus method to dispatch messages to workers. However, it misses authentication and authorization checks, allowing every system user to call it. One available Yggdrasil worker acts as a package manager with capabilities to create and enable new repositories and install or remove packages. \n\nThis flaw allows an attacker with access to the system to leverage the lack of authentication on the dispatch message to force the Yggdrasil worker to install arbitrary RPM packages. This issue results in local privilege escalation, enabling the attacker to access and modify sensitive system data.","status":"published","published":"2025-05-14T11:54:50.29Z","modified":"2026-11-04T21:29:51.329Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-280"],"updated_at":"2026-11-04T22:39:14.734949Z"}],"euvd":[{"id":"EUVD-2025-14867","description":"A flaw was found in Yggdrasil, which acts as a system broker, allowing the processes to communicate to other children's \"worker\" processes through the DBus component. Yggdrasil creates a DBus method to dispatch messages to workers. However, it misses authentication and authorization checks, allowing every system user to call it. One available Yggdrasil worker acts as a package manager with capabilities to create and enable new repositories and install or remove packages. \n\nThis flaw allows an attacker with access to the system to leverage the lack of authentication on the dispatch message to force the Yggdrasil worker to install arbitrary RPM packages. This issue results in local privilege escalation, enabling the attacker to access and modify sensitive system data.","status":"published","published":"2025-05-14T11:54:50Z","modified":"2026-11-04T21:29:51Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-04T23:47:19.760967Z"}],"ghsa":[{"id":"GHSA-rpg2-jvhp-h354","title":"Yggdrasil Vulnerable to Local Privilege Escalation","description":"A flaw was found in Yggdrasil, which acts as a system broker, allowing the processes to communicate to other children's \"worker\" processes through the DBus component. Yggdrasil creates a DBus method to dispatch messages to workers. However, it misses authentication and authorization checks, allowing every system user to call it. One available Yggdrasil worker acts as a package manager with capabilities to create and enable new repositories and install or remove packages. \n\nThis flaw allows an attacker with access to the system to leverage the lack of authentication on the dispatch message to force the Yggdrasil worker to install arbitrary RPM packages. This issue results in local privilege escalation, enabling the attacker to access and modify sensitive system data.","status":"published","published":"2025-05-14T12:31:12Z","modified":"2025-07-28T13:04:22Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-280"],"updated_at":"2026-11-02T14:38:51.864708Z"}],"nvd":[{"id":"CVE-2025-3931","description":"A flaw was found in Yggdrasil, which acts as a system broker, allowing the processes to communicate to other children's \"worker\" processes through the DBus component. Yggdrasil creates a DBus method to dispatch messages to workers. However, it misses authentication and authorization checks, allowing every system user to call it. One available Yggdrasil worker acts as a package manager with capabilities to create and enable new repositories and install or remove packages. \n\nThis flaw allows an attacker with access to the system to leverage the lack of authentication on the dispatch message to force the Yggdrasil worker to install arbitrary RPM packages. This issue results in local privilege escalation, enabling the attacker to access and modify sensitive system data.","status":"published","published":"2025-05-14T12:15:19.493Z","modified":"2026-11-04T22:17:33.71Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-280"],"updated_at":"2026-11-04T23:43:37.864413Z"}],"osv":[{"id":"CVE-2025-3931","title":"Yggdrasil: local privilege escalation in yggdrasil","description":"A flaw was found in Yggdrasil, which acts as a system broker, allowing the processes to communicate to other children's \"worker\" processes through the DBus component. Yggdrasil creates a DBus method to dispatch messages to workers. However, it misses authentication and authorization checks, allowing every system user to call it. One available Yggdrasil worker acts as a package manager with capabilities to create and enable new repositories and install or remove packages. \n\nThis flaw allows an attacker with access to the system to leverage the lack of authentication on the dispatch message to force the Yggdrasil worker to install arbitrary RPM packages. This issue results in local privilege escalation, enabling the attacker to access and modify sensitive system data.","status":"published","published":"2025-05-14T11:54:50.29Z","modified":"2026-11-05T21:15:51.599279793Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-280"],"updated_at":"2026-11-05T22:01:21.792402Z"},{"id":"GHSA-rpg2-jvhp-h354","title":"Yggdrasil Vulnerable to Local Privilege Escalation","description":"A flaw was found in Yggdrasil, which acts as a system broker, allowing the processes to communicate to other children's \"worker\" processes through the DBus component. Yggdrasil creates a DBus method to dispatch messages to workers. However, it misses authentication and authorization checks, allowing every system user to call it. One available Yggdrasil worker acts as a package manager with capabilities to create and enable new repositories and install or remove packages. \n\nThis flaw allows an attacker with access to the system to leverage the lack of authentication on the dispatch message to force the Yggdrasil worker to install arbitrary RPM packages. This issue results in local privilege escalation, enabling the attacker to access and modify sensitive system data.","status":"published","published":"2025-05-14T12:31:12Z","modified":"2025-07-28T13:04:18Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-280"],"updated_at":"2026-11-02T15:46:56.281047Z"},{"id":"RHSA-2025:7592","title":"Red Hat Security Advisory: yggdrasil security update","status":"published","published":"2025-05-15T10:03:53Z","modified":"2026-10-17T10:07:11Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:17.133041Z"},{"id":"RLSA-2025:7592","title":"Important: yggdrasil security update","description":"yggdrasil is a system daemon that subscribes to topics on an MQTT broker and routes any data received on the topics to an appropriate child \"worker\" process, exchanging data with its worker processes through a D-Bus message broker.\n\nSecurity Fix(es):\n\n* yggdrasil: Local privilege escalation in yggdrasil (CVE-2025-3931)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","status":"published","published":"2025-10-03T19:56:45.27031Z","modified":"2025-10-08T17:12:39.970111Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:25.508922Z"},{"id":"ALSA-2025:7592","title":"Important: yggdrasil security update","description":"yggdrasil is a system daemon that subscribes to topics on an MQTT broker and routes any data received on the topics to an appropriate child \"worker\" process, exchanging data with its worker processes through a D-Bus message broker.  \n\nSecurity Fix(es):  \n\n  * yggdrasil: Local privilege escalation in yggdrasil (CVE-2025-3931)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n","status":"published","published":"2025-05-14T00:00:00Z","modified":"2026-10-29T15:12:06.732153585Z","updated_at":"2026-11-02T15:27:53.448565Z"},{"id":"GO-2025-3688","title":"Yggdrasil Vulnerable to Local Privilege Escalation in github.com/redhatinsights/yggdrasil","description":"Yggdrasil Vulnerable to Local Privilege Escalation in github.com/redhatinsights/yggdrasil","status":"published","published":"2025-05-15T20:00:12Z","modified":"2026-03-03T04:56:35.489137Z","updated_at":"2026-11-02T15:47:01.728182Z"},{"id":"openSUSE-SU-2025:15135-1","title":"govulncheck-vulndb-0.0.20250515T200012-1.1 on GA media","description":"These are all security issues fixed in the govulncheck-vulndb-0.0.20250515T200012-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2025-05-20T00:00:00Z","modified":"2026-02-05T09:20:55.285479Z","updated_at":"2026-11-02T16:58:37.399567Z"}]}}