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CVE and vendor PSIRT advisories from 13 sources, last 30 days. Updated hourly, last run Oct 26 04:05 UTC

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Expand	Severity	Score	Advisory	Title	Source	Flags	Published
	High	8.3	CVE-2026-55889	XDG Desktop Portal is a desktop integration portal flatpak, XDG Desktop Portalflatpak xdg-desktop-portal, XDG Desktop Portal	NVD		Oct 23 13:17 UTC
CVE-2026-55889XDG Desktop Portal is a desktop integration portal Executive summary The XDG Desktop Portal desktop integration component has security flaws that let sandboxed applications interfere with data or write files outside their sandbox. The advisory describes these as security fixes in release 1.22.1 and recommends updating to that release. The advisory does not state a severity score. Technical summary The advisory describes three security fixes: a predictable key in FileTransfer.RetrieveFiles that lets a malicious sandboxed application redirect drag-and-drop and copy-paste data to itself (GHSA-c5cf-79w8-pvfh), arbitrary write access to nonexistent files outside the sandbox via the files option in FileChooser.SaveFiles (GHSA-cm83-2936-gxjm), and unvalidated App IDs in the Document Portal that can cause arbitrary host files to be parsed as Glib.KeyFile objects (#2023). The vulnerability classes are not named beyond these descriptions, and the attack preconditions beyond a malicious sandboxed application are not stated. Affected version ranges are not stated, though the fixes are included in 1.22.1. No CVSS score, workaround, or detection guidance is stated. Summaries are generated by AI from the linked advisory text. Confirm versions and fixes at the source. Summarized from github.com/flatpak/xdg-desktop-portal/releases/tag/1.22.1 Impact if exploited ConfidentialityHigh IntegrityLow AvailabilityNone How it is exploited Attack vector Network Attack complexity High Attack requirements None Privileges required None User interaction None CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Affects flatpak XDG Desktop Portal flatpak xdg-desktop-portal XDG Desktop Portal NIST National Vulnerability DatabasePublished Oct 23, 2026 13:17 UTC Read the advisory

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