What is CVE-2026-122158?

CVE-2026-122158 is a medium-severity vulnerability in Invoiceshelf, classified under Incorrect Privilege Assignment. CVSS score: 4.7/10. Published 2026-11-05.

How severe is CVE-2026-122158?

Medium severity. CVSS v3 base score is 4.7 out of 10.

Privilege escalation in Invoiceshelf

CVE-2026-122158

A security flaw has been discovered in InvoiceShelf up to 2.4.3/3.0.0-alpha.3. Affected by this issue is the function MemberService::create of the file app/Domains/Accounts/Application/MemberService.php. Performing a manipulation of the argument companies[].id/companies[].role results in improper access controls. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. Upgrading to version 2.4.4 and 3.0.0-alpha.4 can resolve this issue. The patch is named c798b513c3ab6e672a1678774720fbb282f4d0c6. It is recommended to upgrade the affected component.

Published 2026-11-05 · last modified 2026-11-05.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Invoiceshelf — versions 2.4.0, 2.4.1, 2.4.2

Weakness classification (CWE)

References

github.com/InvoiceShelf/InvoiceShelf/ (product)
github.com/InvoiceShelf/InvoiceShelf/commit/c798b513c3ab6e672a1678774720fbb282f… (patch)
github.com/InvoiceShelf/InvoiceShelf/pull/822 (issue-tracking, patch)
github.com/InvoiceShelf/InvoiceShelf/releases/tag/3.0.0-alpha.4 (patch)
github.com/InvoiceShelf/InvoiceShelf/security/advisories/GHSA-c9cx-7r7m-264v (related)
github.com/capivara-research/GHSA-c9cx-7r7m-264v (exploit)
CVE-2026-122158 | CVE Analysis and Report (third-party-advisory)
Submit #1028117 | InvoiceShelf up to 2.4.3/3.0.0-alpha.1/3.0.0-alpha.2/3.0.0-alpha.3 Cross-Tenant Privilege Escalation / Incorrect Authorization (third-party-advisory)
VDB-431158 | InvoiceShelf MemberService.php create access control (technical-description, vdb-entry)
VDB-431158 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)

Frequently asked questions

What is CVE-2026-122158?: CVE-2026-122158 is a medium-severity vulnerability in Invoiceshelf, classified under Incorrect Privilege Assignment. CVSS score: 4.7/10. Published 2026-11-05.
How severe is CVE-2026-122158?: Medium severity. CVSS v3 base score is 4.7 out of 10.