eta-otp-lock up to 1.0.3 deserialization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k3.17

Summaryinfo

A vulnerability identified as critical has been detected in TUBITAK BILGEM Software Technologies Research Institute eta-otp-lock up to 1.0.3. Affected by this vulnerability is an unknown functionality. The manipulation leads to deserialization. This vulnerability is listed as CVE-2026-18642. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in TUBITAK BILGEM Software Technologies Research Institute eta-otp-lock up to 1.0.3 and classified as critical. This issue affects some unknown functionality. The manipulation with an unknown input leads to a deserialization vulnerability. Using CWE to declare the problem leads to CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at siberguvenlik.gov.tr. The identification of this vulnerability is CVE-2026-18642 since 08/03/2026. The exploitation is known to be easy. The attack may be initiated remotely. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 1.0.4 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-52294). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: eta-otp-lock 1.0.4

Timelineinfo

08/03/2026 Advisory disclosed
08/03/2026 +0 days CVE reserved
08/03/2026 +0 days VulDB entry created
08/03/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: siberguvenlik.gov.tr
Status: Confirmed

CVE: CVE-2026-18642 (🔒)
GCVE (CVE): GCVE-0-2026-18642
GCVE (VulDB): GCVE-100-385583
EUVD: 🔒

Entryinfo

Created: 08/03/2026 15:57
Updated: 08/03/2026 18:47
Changes: 08/03/2026 15:57 (53), 08/03/2026 18:47 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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