Missing authorization in Sure lets members edit others' transactions
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Deferred Red Hat: fix deferred
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-862.
Summary
Sure from 0.7.0 through 0.7.6-alpha.6 has a missing authorization flaw in the transaction bulk update controller (CWE-862). An authenticated family member with read_only or no share can modify other members' transactions, including dates, names, notes, categories, merchants and tags, which corrupts budgets and reports. A proof-of-concept exploit is linked in the references.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Description from the CNA
Sure 0.7.0 through 0.7.6-alpha.6 contains a missing authorization vulnerability in Transactions::BulkUpdatesController#create that allows family members to bypass account sharing permissions. Authenticated members with read_only or no share can submit arbitrary entry_ids to modify other members' transaction dates, names, notes, categories, merchants and tags, corrupting budgets and reports.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| we-promise | sure | 0.7.0 – 0.7.6-alpha.6 | — | No fix listed | CNA |
- sure Vendorwe-promise Affected 0.7.0 – 0.7.6-alpha.6 Fixed in — No fix listed CNA
Remediation
The sources list no fixed version for Sure. Red Hat lists Red Hat Enterprise Linux 8 and Red Hat OpenShift Container Platform 4 as affected with no available plan.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 8 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 4 | Affected | No fix yet: Fix deferred |
Timeline
- 2026-10-15 Threatist record created from CVE-2026-110772
- 2026-10-16 Affected versions changed · Red Hat
- 2026-10-16 CVSS score added · Red Hat
References
Sources
- CVE-2026-110772 · CVE Program
- CVE-2026-110772 · NVD
- FIRST EPSS
- CVE-2026-110772 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences