PatchSiren cyber security CVE debrief
CVE-2026-110772 we-promise CVE debrief
A missing authorization vulnerability exists in Sure 0.7.0 through 0.7.6-alpha.6, allowing authenticated members with read_only or no share to modify other members' transaction data via bulk updates. This vulnerability can lead to potential unauthorized modification of transaction data and corruption of budgets and reports. Defenders should assess exposure and prioritize remediation efforts, focusing on restricting unauthorized bulk update access and verifying account sharing permissions.
- Vendor
- we-promise
- Product
- sure
- CVSS
- MEDIUM 5.3
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-10-14
- Original CVE updated
- 2026-10-14
- Advisory published
- 2026-10-14
- Advisory updated
- 2026-10-14
Who should care
Defenders responsible for Sure instances, particularly those with shared accounts or read_only access, should assess exposure and prioritize remediation efforts. They should focus on restricting unauthorized bulk update access, verifying account sharing permissions, and monitoring for suspicious activity. This includes reviewing compensating controls for exposed systems and tracking exceptions and retest remediated assets.
Why it matters
This vulnerability allows authenticated members to bypass account sharing permissions and modify other members' transaction data, potentially corrupting budgets and reports. Defenders should prioritize verifying and remediating this vulnerability in Sure instances, focusing on restricting unauthorized bulk update access.
- Potential unauthorized modification of transaction data
- Corruption of budgets and reports
- Verification of account sharing permissions and bulk update access
- Prioritization of remediation efforts
Technical summary
The vulnerability exists in Transactions::BulkUpdatesController#create, allowing authenticated members to bypass account sharing permissions and modify other members' transaction data. This can lead to potential unauthorized modification of transaction data and corruption of budgets and reports. The vulnerability can be remediated by restricting unauthorized bulk update access and verifying account sharing permissions. Defenders should prioritize verifying and remediating this vulnerability in Sure instances, focusing on restricting unauthorized bulk update access.
Defensive priority
Defenders should prioritize verifying and remediating this vulnerability in Sure instances, focusing on restricting unauthorized bulk update access.
Recommended defensive actions
- Verify and remediate the vulnerability in Sure instances
- Restrict unauthorized bulk update access
- Monitor for suspicious activity
- Review compensating controls for exposed systems
- Check relevant monitoring, detection, and logs for exposed assets
- Track exceptions and retest remediated assets
- Plan vendor-supported updates or mitigations through normal change control
Evidence notes
The CVE record and source item provide details on the missing authorization vulnerability in Sure 0.7.0 through 0.7.6-alpha.6. The NVD entry is currently UNCHANGED. The vulnerability exists in Transactions::BulkUpdatesController#create, allowing authenticated members to bypass account sharing permissions and modify other members' transaction data. Defenders should verify and remediate this vulnerability in Sure instances, focusing on restricting unauthorized bulk update access and monitoring for suspicious activity.
Sources and references
Verified primary and authoritative sources
-
CVE-2026-110772 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-110772
CVE Program - Official CVE Program record with source-provided CVE metadata.
-
CVE-2026-110772 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-110772
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
-
Sure 0.7.0 through 0.7.6-alpha.6 Missing Authorization via Transaction Bulk Update
Unverified legacy reference
URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/110xxx/CVE-2026-110772.json
cve_program_cvelist_v5
-
Source reference
Unverified legacy reference
URL: https://github.com/we-promise/sure/issues/2099
Supplemental source - issue-tracking
-
Source reference
Unverified legacy reference
URL: https://hackmd.io/@hieuPenguinnn/we-promise-sure-transactions-bulk-update-missing-authz
Supplemental source - technical-description, exploit
-
Source reference
Unverified legacy reference
URL: https://github.com/we-promise/sure/blob/a3bb5d991f9b96e335e9212b1a6324289577f143/app/controllers/transactions/bulk_updates_controller.rb
Supplemental source - technical-description
-
Source reference
Unverified legacy reference
URL: https://github.com/we-promise/sure
Supplemental source - product
-
Source reference
Unverified legacy reference
URL: https://www.vulncheck.com/advisories/sure-0.7.0-through-0.7.6-alpha.6-missing-authorization-via-transaction-bulk-update
Supplemental source - third-party-advisory
Methodology and review provenance
AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.