CVE-2026-18642

Local code execution via unsafe .totp import

Published Aug 3, 2026 · Updated Aug 3, 2026

Object injection in TÜBİTAK BİLGEM eta-otp-lock before 1.0.4 allows local users to execute code through a crafted .totp file. The .totp import handler passed the selected file to Python pickle deserialization without restricting which globals could be resolved. Opening a crafted .totp file requires user interaction and can execute attacker-selected code with the application's privileges.

CVSS severity7.8
High
EPSS probability0.13%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Object injection in TÜBİTAK BİLGEM eta-otp-lock before 1.0.4 allows local users to execute code through a crafted .totp file. The .totp import handler passed the selected file to Python pickle deserialization without restricting which globals could be resolved. Opening a crafted .totp file requires user interaction and can execute attacker-selected code with the application's privileges.

The record

CVE
CVE-2026-18642
Published
Aug 3, 2026
Updated
Aug 3, 2026
Vendor
TÜBİTAK BİLGEM Software Technologies Research Institute
Product
eta-otp-lock
Classifications
CWE-502, T1204.002
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 3, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <1.0.4

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

TÜBİTAK BİLGEM Software Technologies Research Institute · eta-otp-lockversion=0 <1.0.4

Published CVSS scores

7.8Computer Emergency Response Team of the Republic of TurkeyCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-502Deserialization of Untrusted Data
T1204.002User Execution: Malicious File

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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