Remote Code Execution via Insecure Deserialization in TÜBİTAK BİLGEM's eta-otp-lock
Summary
| CVE | CVE-2026-18642 |
|---|---|
| State | PUBLISHED |
| Assigner | TR-CERT |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-08-03 14:16:26 UTC |
| Updated | 2026-08-03 20:17:17 UTC |
| Description | 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. |
Risk And Classification
Primary CVSS: v3.1 7.8 HIGH from [email protected]
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS: 0.001340000 probability, percentile 0.033130000 (date 2026-08-05)
Problem Types: CWE-502 | CWE-502 CWE-502 Deserialization of untrusted data
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Secondary | 7.8 | HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| 3.1 | CNA | CVSS | 7.8 | HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
NoneUser Interaction
RequiredScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | TUBITAK BILGEM Software Technologies Research Institute | Eta-otp-lock | affected 1.0.4 custom | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0730 | [email protected] | siberguvenlik.gov.tr | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Emirhan YÜCEL (en)
There are currently no legacy QID mappings associated with this CVE.