Hard-Coded Credentials Vulnerability in Inbox Foundry ActiveInbox Extension for Chrome
CVE-2026-82808

6.9MEDIUM

Key Information:

Vendor

Inbox Foundry

Status
Activeinbox Extension
Vendor
CVE Published:
31 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-82808?

A vulnerability has been detected in the Inbox Foundry ActiveInbox Extension for Chrome, which affects versions up to 7.10.24. It involves the improper handling of Google OAuth Client Secret within the file dist/service-worker.production-esm.js. This flaw allows an attacker to manipulate hard-coded credentials, potentially leading to unauthorized access. The exploit is publicly available and can be executed remotely. The vendor has been notified about this issue; however, the bug bounty program is currently on hold while they address a backlog of reports.

Affected Version(s)

ActiveInbox Extension 7.10.0

ActiveInbox Extension 7.10.1

ActiveInbox Extension 7.10.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-82808 - Proof of Concept

References

https://vuldb.com/vuln/397227
vdb-entry
https://vuldb.com/vuln/397227/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-82808
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

DRXYJ (VulDB User)
VulDB CNA Team
.