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Hard-coded MQTT broker credentials in Attendo Admin Android app

Priority HIGH 77CWE-798Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · Low · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-798.

Summary

Attendo (formerly Petpooja Payroll) Admin Android application through 3.0.13 contains hard-coded credentials (CWE-798). Attackers can recover the production MQTT broker credentials by decompiling the app's bundled Flutter configuration assets. A remote attacker with no privileges can use them to read employee attendance records and photographs on the broker over TCP 1883, and publish messages to its topics. A public exploit is linked in the references.

Written with Claude Haiku 5.5 from the sources below · 2026-11-03

Description from the CNA

Attendo (formerly Petpooja Payroll) Admin Android application version 3.0.13 and earlier contains a hard-coded credentials vulnerability that allows attackers to extract production MQTT broker credentials by decompiling the APK's bundled Flutter configuration assets such as production.json and device-command configuration files. Attackers can use the recovered credentials to authenticate to the production MQTT broker over TCP 1883, access messaging topics containing employee attendance records, personal identifiers, Base64-encoded photographs, device telemetry, and authentication material, and publish messages to those topics, resulting in exposure of sensitive data and potential unauthorized message injection.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00289 21st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
PetpoojaAttendo (formerly Petpooja Payroll)up to 3.0.13—No fix listedCNA
  • Attendo (formerly Petpooja Payroll) VendorPetpooja Affected up to 3.0.13 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Attendo (formerly Petpooja Payroll).

Written with Claude Haiku 5.5 from the sources below · 2026-11-03

Timeline

  1. 2026-11-02 Threatist record created from CVE-2026-119736
  2. 2026-11-02 Alias added: GHSA-68mx-c8hg-wjhw
  3. 2026-11-03 CISA SSVC decision points changed
  4. 2026-11-03 Priority changed: MEDIUM → HIGH
  5. 2026-11-03 Affected versions changed · CNA

References

  • TI-2026-83938 Missing authorization in Munshi company deletion API CVSS 4.0HIGH 7.2
  • TI-2026-83939 Authorization bypass in Munshi exposes other users' purchase inquiries CVSS 4.0HIGH 7.1
  • TI-2026-83937 Broken access control in Munshi lets sub-users delete invoices CVSS 4.0HIGH 7.1
  • TI-2026-83936 Payment bypass in Petpooja Munshi via unauthenticated webhook CVSS 4.0HIGH 8.7
  • TI-2026-83940 Stored cross-site scripting in Munshi via Purchase Inquiry thread CVSS 4.0MEDIUM 5.1

Sources