Deserialization in Tubitak Bilgem Software Technologies Research Institute Eta-Otp-Lock

CVE-2026-18642

Deserialization of untrusted data vulnerability in TUBITAK BILGEM Software Technologies Research Institute eta-otp-lock allows Object Injection. This issue affects eta-otp-lock: before 1.0.4.

Vulnerability class: Insecure Deserialization

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (31.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 31.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-18642: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-18642?
CVE-2026-18642 is a high-severity vulnerability in Tubitak Bilgem Software Technologies Research Institute Eta-Otp-Lock, classified under Deserialization of Untrusted Data. CVSS score: 7.8/10. Published 2026-08-03.
How severe is CVE-2026-18642?
High severity. CVSS v3 base score is 7.8 out of 10.