{"affected":[{"defaultStatus":"affected","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"glib2","product":"Red Hat Enterprise Linux 10","source":"CNA: redhat","vendor":"Red Hat","versions":[]},{"defaultStatus":"affected","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"mingw-glib2","product":"Red Hat Enterprise Linux 10","source":"CNA: redhat","vendor":"Red Hat","versions":[]},{"defaultStatus":"affected","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"glib2","product":"Red Hat Enterprise Linux 6","source":"CNA: redhat","vendor":"Red Hat","versions":[]},{"defaultStatus":"affected","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"glib2","product":"Red Hat Enterprise Linux 7","source":"CNA: redhat","vendor":"Red Hat","versions":[]},{"defaultStatus":"affected","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"glib2","product":"Red Hat Enterprise Linux 8","source":"CNA: redhat","vendor":"Red Hat","versions":[]},{"defaultStatus":"affected","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"mingw-glib2","product":"Red Hat Enterprise Linux 8","source":"CNA: redhat","vendor":"Red Hat","versions":[]},{"defaultStatus":"affected","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"glib2","product":"Red Hat Enterprise Linux 9","source":"CNA: redhat","vendor":"Red Hat","versions":[]},{"defaultStatus":"affected","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"mingw-glib2","product":"Red Hat Enterprise Linux 9","source":"CNA: redhat","vendor":"Red Hat","versions":[]},{"defaultStatus":"affected","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"glib2","product":"Red Hat Hardened Images","source":"CNA: redhat","vendor":"Red Hat","versions":[]},{"defaultStatus":"affected","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"openshift/ose-rhel-coreos-8","product":"Red Hat OpenShift Container Platform 4","source":"CNA: redhat","vendor":"Red Hat","versions":[]},{"defaultStatus":"affected","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"openshift/ose-rhel-coreos-9","product":"Red Hat OpenShift Container Platform 4","source":"CNA: redhat","vendor":"Red Hat","versions":[]},{"defaultStatus":"affected","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"openshift/ose-rhel-coreos-9","product":"Red Hat OpenShift Container Platform 5","source":"CNA: redhat","vendor":"Red Hat","versions":[]}],"cveId":"CVE-2026-86469","cwes":["CWE-59"],"description":"A flaw was found in GLib2. When g_file_replace() is used with G_FILE_CREATE_REPLACE_DESTINATION and creating the .goutputstream-XXXXXX temporary file fails, the library unlinks the destination and recreates it without exclusive creation or symlink protection. A local attacker who can write to the destination directory can win that race and redirect the write to another file.","epss":{"date":"2026-11-01","percentile":0.03405,"score":0.00141},"exploits":[{"kind":"exploit","source":"ADP: CISA-ADP","url":"https://gitlab.gnome.org/GNOME/glib/-/work_items/4044"}],"kev":null,"metrics":[{"score":5.3,"severity":"medium","source":"CNA: redhat","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L","version":"3.1"},{"score":5.3,"severity":"medium","source":"NVD: secalert@redhat.com","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L","version":"3.1"}],"modifiedAt":1793611057030,"publishedAt":1788796813925,"references":[{"source":"CNA: redhat","tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-86469"},{"source":"CNA: redhat","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2473839"},{"source":"CNA: redhat","tags":[],"url":"https://gitlab.gnome.org/GNOME/glib/-/blob/main/gio/glocalfileoutputstream.c"},{"source":"CNA: redhat","tags":[],"url":"https://gitlab.gnome.org/GNOME/glib/-/work_items/4044"},{"source":"ADP: CISA-ADP","tags":["exploit"],"url":"https://gitlab.gnome.org/GNOME/glib/-/work_items/4044"},{"source":"secalert@redhat.com","tags":[],"url":"https://access.redhat.com/security/cve/CVE-2026-86469"},{"source":"secalert@redhat.com","tags":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2473839"},{"source":"secalert@redhat.com","tags":[],"url":"https://gitlab.gnome.org/GNOME/glib/-/blob/main/gio/glocalfileoutputstream.c"},{"source":"secalert@redhat.com","tags":[],"url":"https://gitlab.gnome.org/GNOME/glib/-/work_items/4044"},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","tags":[],"url":"https://gitlab.gnome.org/GNOME/glib/-/work_items/4044"}],"remediation":[{"kind":"workaround","source":"CNA: redhat","text":"Do not use g_file_replace(..., G_FILE_CREATE_REPLACE_DESTINATION) on paths in directories writable by less-privileged users."}],"revision":"c5b861984ce9e688abab980005d0f7b1ecd29bc65f5e64dc4b9bdfd43628cc08","sources":[{"modifiedAt":1793608424436,"name":"CNA: redhat","retrievedAt":1793610523721,"url":"https://www.cve.org/CVERecord?id=CVE-2026-86469"},{"modifiedAt":1793611057030,"name":"NVD","retrievedAt":1793621769549,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86469"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793610530638,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-86469"}],"ssvc":{"assessedAt":1788871570415,"automatable":"no","exploitation":"poc","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"Glib2: toctou symlink race in `g_file_create_replace_destination` fallback path","updatedAt":1793621769549}