What is CVE-2026-1365?

CVE-2026-1365 is a medium-severity vulnerability in Sayax Energy Technologies Inc. Osos, classified under Insertion of Sensitive Information into Sent Data. CVSS score: 6.5/10. Published 2026-07-09.

How severe is CVE-2026-1365?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Sayax Energy Technologies Inc. Osos

CVE-2026-1365

Insertion of sensitive information into sent data vulnerability in Sayax Energy Technologies Inc. OSOS allows Authentication Bypass. This issue affects OSOS: through 09072026. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Published 2026-07-09 · last modified 2026-07-09.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (38.1th percentile), scored 2026-10-09.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 38.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Sayax Energy Technologies Inc. Osos — versions 0

Weakness classification (CWE)

CWE-201 — Insertion of Sensitive Information into Sent Data

References

siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0520 (government-resource)

Frequently asked questions

What is CVE-2026-1365?: CVE-2026-1365 is a medium-severity vulnerability in Sayax Energy Technologies Inc. Osos, classified under Insertion of Sensitive Information into Sent Data. CVSS score: 6.5/10. Published 2026-07-09.
How severe is CVE-2026-1365?: Medium severity. CVSS v3 base score is 6.5 out of 10.