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GHSA-6cj6-2fg2-2r4g

Опубликовано: 16 июн. 2026
Источник: github
Github: Не прошло ревью
CVSS4: 5.1

Описание

A session fixation vulnerability has been identified in osTicket v1.18.2. This security flaw allows an attacker to hijack a victim’s account by keeping the initial session identifier (OSTSESSID) active after a successful login.

The issue lies in the fact that the application does not invalidate the pre-authentication cookie or generate a new identifier for the authenticated context. As a result, if an attacker manages to set a known session identifier in the victim’s browser, they will be able to maintain unauthorised access to the account once the victim has authenticated.

A session fixation vulnerability has been identified in osTicket v1.18.2. This security flaw allows an attacker to hijack a victim’s account by keeping the initial session identifier (OSTSESSID) active after a successful login.

The issue lies in the fact that the application does not invalidate the pre-authentication cookie or generate a new identifier for the authenticated context. As a result, if an attacker manages to set a known session identifier in the victim’s browser, they will be able to maintain unauthorised access to the account once the victim has authenticated.

EPSS

Процентиль: 33%
0.00403
Низкий

5.1 Medium

CVSS4

Дефекты

CWE-38

Связанные уязвимости

nvd
около 2 месяцев назад

A session fixation vulnerability has been identified in osTicket v1.18.2. This security flaw allows an attacker to hijack a victim’s account by keeping the initial session identifier (OSTSESSID) active after a successful login. The issue lies in the fact that the application does not invalidate the pre-authentication cookie or generate a new identifier for the authenticated context. As a result, if an attacker manages to set a known session identifier in the victim’s browser, they will be able to maintain unauthorised access to the account once the victim has authenticated.

debian
около 2 месяцев назад

A session fixation vulnerability has been identified in osTicket v1.18 ...

EPSS

Процентиль: 33%
0.00403
Низкий

5.1 Medium

CVSS4

Дефекты

CWE-38