Missing Authorization Vulnerability in Sure Product by We Promise
CVE-2026-110772

5.3MEDIUM

Key Information:

Vendor

We-promise

Status
Sure
Vendor
CVE Published:
14 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-110772?

The Sure product versions from 0.7.0 to 0.7.6-alpha.6 expose a vulnerability whereby authenticated users with limited permissions can exploit the BulkUpdatesController#create method. This allows them to manipulate transaction information for other users, including changing dates, notes, and categories, without proper authorization. Such manipulations can lead to inaccurate budgeting and reporting, impacting data integrity and confidentiality.

Affected Version(s)

sure 0.7.0 <= 0.7.6-alpha.6

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-2026-110772 - Proof of Concept

References

https://github.com/we-promise/sure/issues/2099
issue-tracking
https://hackmd.io/@hieuPenguinnn/we-promise-sure-transact...
technical-descriptionexploit
https://github.com/we-promise/sure/blob/a3bb5d991f9b96e33...
technical-description

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
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

dearsishs
hieuPenguinnn
.