by Kastro
Paper/Archive/CVE-2026-107053

CVE-2026-107053

mitre — Insecure permissions in foobnix Librera PDF Reader versionCode 7222 allows unauthorized attackers to arbitrarily write and truncate files…

EPSS 0.2%public exploitCVSS 9.1
critical.is priorityof 100
38
CVSS 9.1 (ADP)9.1 / 10 × 3027.3Not in CISA KEV+300.0EPSS percentile 4.6.046 × 200.9Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

Insecure permissions in foobnix Librera PDF Reader versionCode 7222 allows unauthorized attackers to arbitrarily write and truncate files in a shared storage space outside of the sandbox.

Affected

ProductAffectedFixed inSource
n/an/a–CNA

Scores by source

CISA ADP9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: total

References

reff-droid.org/packages/com.foobnix.pro.pdf.readerrefgithub.com/foobnix/LibreraReaderexploitgithub.com/FFG0d/fdroid-android-advisories/blob/main/advisories/CVE-2026-107053.md