7.1

CVE-2026-97023: Flatpak: flatpak: arbitrary file deletion in root context via path traversal in deploy directory export/bin

Awaiting analysis
AliasesUBUNTU-CVE-2026-97023DEBIAN-CVE-2026-97023
Published 28-09-2026Last modified 28-09-2026

Vulnerability summary

CVE-2026-97023 is a high (CVSS 7.1) UNIX Symbolic Link (Symlink) Following vulnerability in flatpak. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 19.6% of scored vulnerabilities.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.1/10
010
High · v3.1 (CVE.org)
EPSS score
0.28%
0%100%
Low · Change unavailable
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 1
MGASA-2026-0477OPENSUSE-SU-2026:11918-1

Timeline

  1. 28-09-2026
    PublishedVulnerability first disclosed.
  2. 28-09-2026
    Last modifiedVulnerability information updated.

Description

A path traversal vulnerability in Flatpak's handling of the export/bin directory during app deployment allows a malicious Flatpak app to cause deletion of attacker-chosen files outside the deployment directory when the app is installed or upgraded. In system-wide installations, the deletion is performed as root.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.28%

Chance of exploitation in the next 30 days

Percentile

20%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

29-09-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • flatpakAll versions (No fix recorded) | < 1.16.6-1~deb13u3 | < 1.18.4-1
Ubuntu1 product
  • flatpakAll versions (No fix recorded)

2 vendors · 2 products

References

5 links