CVE-2026-42447: jadx is a Dex to Java decompiler

Q: How do I fix CVE-2026-42447?

jadx: upgrade to 1.5.6. Exact commands for each OS are on this page.

Q: Is CVE-2026-42447 being exploited?

CVE-2026-42447 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-42447 affect?

CVE-2026-42447 affects jadx. Severity is low (CVSS 3.6). jadx is a Dex to Java decompiler. Prior to 1.5.6, jadx-gui is affected by an HTML injection vulnerability in the Summary tab because SummaryNode.java appends arches and perArchCount values derived from .so file path components inside an APK

Q: How urgent is CVE-2026-42447?

Priority 21/100. Public exploit reference

Routine

LOW 3.6UPGRADE

CVE-2026-42447 is a low-severity flaw (CVSS 3.6) affecting jadx. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

jadx is a Dex to Java decompiler. Prior to 1.5.6, jadx-gui is affected by an HTML injection vulnerability in the Summary tab because SummaryNode.java appends arches and perArchCount values derived from .so file path components inside an APK into an HTML panel without escaping. A malicious APK with an HTML URL-encoded ZIP entry name can force rendering of arbitrary HTML, perform out-of-band requests, disclose the victim IP address, or interact wit

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	3.6 (Low)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.2% (top 88%)
CISA exploited list	No
Weakness	CWE-79
Published	2026-07-14
Last modified	2026-10-24

Publisher (CNA): GitHub, Inc. · Vendor: jadx project

Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-14 22:16 UTCPublished CVE record published
2026-10-24 22:10 UTCUpdated Record last modified

jadx project jadx UPGRADE

Affected: < 1.5.6

Fixed in: 1.5.6

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy jadx || rpm -q jadx || jadx --version

2. UPGRADE to 1.5.6 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade jadx

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade jadx

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-42447?

jadx: upgrade to 1.5.6. Exact commands for each OS are on this page.

Is CVE-2026-42447 being exploited?

CVE-2026-42447 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-42447 affect?

CVE-2026-42447 affects jadx. Severity is low (CVSS 3.6). jadx is a Dex to Java decompiler. Prior to 1.5.6, jadx-gui is affected by an HTML injection vulnerability in the Summary tab because SummaryNode.java appends arches and perArchCount values derived from .so file path components inside an APK

How urgent is CVE-2026-42447?

Priority 21/100. Public exploit reference

Software pages

Java vulnerabilities

References

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