Sure 0.7.0 through 0.7.6-alpha.6 Missing Authorization via Transaction Bulk Update

published 2026-10-14 25 d ago modified 2026-10-15 24 d ago also EUVD-2026-101572

cvss: 4.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 18%
public exploits: 0; none known

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.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-110772 updated 2026-11-05 cvss 4.3

sure: sure: Unauthorized transaction modification via bulk update missing authorization

Red Hat Enterprise Linux 8 python3-sure Red Hat OpenShift Container Platform 4 python-sure 2.0.1-1.el9ocp
affected: no fix available “Fix deferred”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 25 d ago (2026-10-14)

Exploit prediction

0.27% chance of exploitation in the next 30 days, higher than 18% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

hackmd.io https://hackmd.io/@hieuPenguinnn/we-promise-sure-transactions-bulk-update-missing-authz referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	5.3	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
CNA	3.1	4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CNA	4.0	5.3	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

we-promise sure

Classification

Weakness

CWE-862 Missing Authorization

References

hackmd.io /@hieuPenguinnn/we-promise-sure-transactions-bulk-update-missing-authz
technical-description, exploit
github.com /we-promise/sure/issues/2099
issue-tracking
github.com /we-promise/sure/blob/a3bb5d991f9b96e335e9212b1a6324289577f143/app/controllers/transactions/bulk_updates_contr
technical-description
github.com /we-promise/sure
product
vulncheck.com /advisories/sure-0.7.0-through-0.7.6-alpha.6-missing-authorization-via-transaction-bulk-update
third-party-advisory

Sources

CVE List CVE-2026-110772
NVD CVE-2026-110772

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary