Path Traversal in Apktool
CVE-2026-39973
Apktool is a tool for reverse engineering Android APK files. In versions 3.0.0 and 3.0.1, a path traversal vulnerability in `brut/androlib/res/decoder/ResFileDecoder.java` allows a maliciously crafted APK to write arbitrary files to the fi…
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.002 (8.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N.
Affected products
- Apktool
- Ibotpeaches Apktool — versions >= 3.0.0, < 3.0.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Mitigation, Vendor Advisory)
- security-advisories@github.com (x_refsource_MISC, Issue Tracking)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Product, x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-39973?
- CVE-2026-39973 is a high-severity vulnerability in Apktool, classified under Path Traversal. CVSS score: 7.1/10. Published 2026-04-21.
- How severe is CVE-2026-39973?
- High severity. CVSS v3 base score is 7.1 out of 10.
- Is CVE-2026-39973 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.