Vulnerability in Opensourcepos Open Source Point Of Sale
CVE-2026-8803
A flaw has been found in opensourcepos Open Source Point of Sale up to 3.4.2. Impacted is the function Login of the file app/Models/Employee.php of the component Employee Login. This manipulation causes use of weak hash. Remote exploitation of the attack is possible. The attack is considered to have high complexity. The exploitability is considered difficult. The actual existence of this vulnerability is currently in question. The vendor explains: "[T]he code is still there to allow the upgrade path to work. The default password is initially seeded with the old hash function, but then migrated to a newer one after login. [T]he hash version check might be cleaned up in the future. Currently it's not actively in use as any password change will use a newer hash function."
Vulnerability class: POODLE (CVE-2014-3566)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.003 (17.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 17.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001
Affected products
- Opensourcepos Open Source Point Of Sale — versions 3.4.0, 3.4.1, 3.4.2
Weakness classification (CWE)
References
- vuldb.com/vuln/364436 (technical-description, vdb-entry)
- vuldb.com/vuln/364436/cti (signature, permissions-required)
- vuldb.com/submit/802561 (third-party-advisory)
Frequently asked questions
- What is CVE-2026-8803?
- CVE-2026-8803 is a low-severity vulnerability in Opensourcepos Open Source Point Of Sale, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 3.7/10. Published 2026-05-18.
- How severe is CVE-2026-8803?
- Low severity. CVSS v3 base score is 3.7 out of 10.