CVE-2024-50477: Authentication Bypass Using an Alternate Path or Channel vulnerability in Stacks Stacks Mobile App Builder sta

Q: How do I fix CVE-2024-50477?

stacks mobile app builder: upgrade to newer than 5.2.3. Exact commands for each OS are on this page.

Q: Is CVE-2024-50477 being exploited?

CVE-2024-50477 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-2024-50477 affect?

CVE-2024-50477 affects stacks mobile app builder. Severity is critical (CVSS 9.8). Authentication Bypass Using an Alternate Path or Channel vulnerability in Stacks Stacks Mobile App Builder stacks-mobile-app-builder allows Authentication Bypass.This issue affects Stacks Mobile App Builder: from n/a through <= 5.2.3.

Q: How urgent is CVE-2024-50477?

Priority 71/100. Critical severity; EPSS top 5%: very likely to be exploited; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2024-50477 is a critical-severity flaw (CVSS 9.8) affecting stacks mobile app builder. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Authentication Bypass Using an Alternate Path or Channel vulnerability in Stacks Stacks Mobile App Builder stacks-mobile-app-builder allows Authentication Bypass.This issue affects Stacks Mobile App Builder: from n/a through <= 5.2.3.

Why this priority

Critical severity
EPSS top 5%: very likely to be exploited
Public exploit reference
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	8.1% (top 5%)
CISA exploited list	No
Weakness	CWE-288, CWE-306
Published	2024-10-28
Last modified	2026-06-17

Publisher (CNA): Patchstack · Vendor: stacksmarket

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-10-28 12:15 UTCPublished CVE record published
2026-06-17 08:04 UTCUpdated Record last modified

stacksmarket stacks mobile app builder UPGRADE

Affected: <= 5.2.3

Fixed in: newer than 5.2.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy stacks-mobile-app-builder || rpm -q stacks-mobile-app-builder || stacks-mobile-app-builder --version

2. UPGRADE to newer than 5.2.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade stacks-mobile-app-builder

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade stacks-mobile-app-builder

Note

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

Exact fixes by distribution

Fedora 46 · byobu · FIXED · 7.23-1.fc46 · FEDORA-2026-08f2b53446 · source

sudo dnf upgrade --advisory=FEDORA-2026-08f2b53446

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

GitHub PoC: RandomRobbieBF/CVE-2024-50477 (0 stars)
Exploit-DB: Stacks Mobile App Builder 5.2.3 - Authentication Bypass via Account Takeover
Nuclei scan template: WordPress Stacks Mobile App Builder <=5.2.3 - Authentication Bypass

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-2024-50477?

stacks mobile app builder: upgrade to newer than 5.2.3. Exact commands for each OS are on this page.

Is CVE-2024-50477 being exploited?

CVE-2024-50477 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-2024-50477 affect?

CVE-2024-50477 affects stacks mobile app builder. Severity is critical (CVSS 9.8). Authentication Bypass Using an Alternate Path or Channel vulnerability in Stacks Stacks Mobile App Builder stacks-mobile-app-builder allows Authentication Bypass.This issue affects Stacks Mobile App Builder: from n/a through <= 5.2.3.

How urgent is CVE-2024-50477?

Priority 71/100. Critical severity; EPSS top 5%: very likely to be exploited; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

Related CVEs

CVE-2024-50528 HIGH 7.5 UPGRADE Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in Stacks Stacks Mobi
CVE-2024-50527 CRITICAL 10.0 UPGRADE Unrestricted Upload of File with Dangerous Type vulnerability in Stacks Stacks Mobile App Builder stacks-mobil

References

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