TI-2026-16128 Aliases CVE-2026-19895 GHSA-qqrv-pprc-rj67

opensourcepos Open Source Point of Sale Login Endpoint Filters.php index excessive authentication

MEDIUM 61CWE-307Published 2026-08-15 · Updated 2026-08-17

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: High
Attack requirements: None
Impact type: Security bypass
Confidentiality · integrity · availability: Low · None · None
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-307.

Summary

A vulnerability was detected in opensourcepos Open Source Point of Sale up to 3.4.2. This affects the function Login::index of the file app/Config/Filters.php of the component Login Endpoint. The manipulation results in improper restriction of excessive authentication attempts. The attack may be launched remotely. The attack requires a high level of complexity. It is indicated that the exploitability is difficult. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00628 50th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix No fix listed No fixed version in the sources yet

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
opensourcepos	Open Source Point of Sale	3.4.0; 3.4.1; 3.4.2	—	No fix listed	CNA

Open Source Point of Sale Vendoropensourcepos Affected 3.4.0; 3.4.1; 3.4.2 Fixed in — No fix listed CNA

CPE names CNA · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:opensourcepos:open_source_point_of_sale::::::::	—	—	opensourcepos

cpe:2.3:a:opensourcepos:open_source_point_of_sale:*:*:*:*:*:*:*:* Versions — — ·opensourcepos

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-19895
2026-10-03 Alias added: GHSA-qqrv-pprc-rj67
2026-10-29 EPSS moved to the 50th–90th percentile

References

Exploit 1

https://github.com/opensourcepos/opensourcepos/issues/4583

Patch 1

https://github.com/purnadika/opensourcepos/commit/851fc323e517e798b3872a2fa54d2923b85fe04c

TI-2026-25347 Open Source Point of Sale is Vulnerable to SQL Injection Through its Item Search Functionality CVSS 3.1HIGH 8.8
TI-2025-41982 opensourcepos has Cross-Site Request Forgery vulnerability that leads to Unauthorized Administrator Creation CVSS 3.1HIGH 8.8
TI-2025-41728 opensourcepos has a Cross-site Scripting vulnerability CVSS 3.1HIGH 8.1
TI-2025-43027 An issue in OpenSourcePOS v3.4.1 allows attackers to execute arbitrary code via returning a crafted AJAX response. CVSS 3.1HIGH 7.4
TI-2025-41087 A Cross-site scripting (XSS) vulnerability in Create/Update Customer(s) in Open Source… CVSS 3.1HIGH 7.2
TI-2025-41086 A Cross-site scripting (XSS) vulnerability in Create/Update Item(s) Module in Open Source… CVSS 3.1HIGH 7.2

See all 21 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences