# CVE-2026-129248: Akaunting Invoice Item Validation helpers.php calculation_to_quantity numeric range comparison without minimum check

Status: published. Published: 2026-11-14. Updated: 2026-11-14.

A weakness has been identified in Akaunting up to 3.3.0. The affected element is the function calculation_to_quantity of the file helpers.php of the component Invoice Item Validation. Executing a manipulation of the argument quantity can lead to numeric range comparison without minimum check. The attack may be performed from remote. The vendor was contacted early about this disclosure but did not respond in any way.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- n/a / Akaunting: 3.0 (affected); 3.1 (affected); 3.2 (affected); 3.3.0 (affected). Source: CNA: VulDB

## Severity and prioritization

- CVSS 4.0: 5.3 (medium); 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; source: CNA: VulDB

- CVSS 3.1: 4.3 (medium); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:X/RL:X/RC:C; source: CNA: VulDB

- CVSS 3.0: 4.3 (medium); CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:X/RL:X/RC:C; source: CNA: VulDB

- CVSS 2.0: 4 (medium); AV:N/AC:L/Au:S/C:N/I:P/A:N/E:ND/RL:ND/RC:C; source: CNA: VulDB

- CVSS 4.0: 5.3 (medium); 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; source: NVD: cna@vuldb.com

- CVSS 3.1: 4.3 (medium); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N; source: NVD: cna@vuldb.com

- CVSS 2.0: 4 (medium); AV:N/AC:L/Au:S/C:N/I:P/A:N; source: NVD: cna@vuldb.com

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-839, CWE-118

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://vuldb.com/vuln/437279 (CNA: VulDB; vdb-entry, technical-description)

- https://vuldb.com/vuln/437279/cti (CNA: VulDB; signature, permissions-required)

- https://vuldb.com/cve/CVE-2026-129248 (CNA: VulDB; third-party-advisory)

- https://vuldb.com/submit/1025027 (CNA: VulDB; third-party-advisory)

- https://vuldb.com/cve/CVE-2026-129248 (cna@vuldb.com)

- https://vuldb.com/submit/1025027 (cna@vuldb.com)

- https://vuldb.com/vuln/437279 (cna@vuldb.com)

- https://vuldb.com/vuln/437279/cti (cna@vuldb.com)

## Provenance

- CNA: VulDB: https://www.cve.org/CVERecord?id=CVE-2026-129248; retrieved 2026-11-14; source updated 2026-11-14

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-129248; retrieved 2026-11-14; source updated 2026-11-14

Revision: a21deb4ace1dc03a2b8dc3b62ccfe149c91c92576cafda23a90863d62f59ffd9

Canonical: https://y2.dev/cve/CVE-2026-129248

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