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CVE-2026-3783

Опубликовано: 11 мар. 2026
Источник: ubuntu
Приоритет: medium
EPSS Низкий
CVSS3: 5.3

Описание

When an OAuth2 bearer token is used for an HTTP(S) transfer, and that transfer performs a redirect to a second URL, curl could leak that token to the second hostname under some circumstances. If the hostname that the first request is redirected to has information in the used .netrc file, with either of the machine or default keywords, curl would pass on the bearer token set for the first host also to the second one.

РелизСтатусПримечание
devel

released

8.18.0-1ubuntu2
esm-infra-legacy/trusty

not-affected

code not present
esm-infra/bionic

not-affected

code not present
esm-infra/focal

released

7.68.0-1ubuntu2.25+esm3
esm-infra/xenial

not-affected

code not present
jammy

released

7.81.0-1ubuntu1.23
noble

released

8.5.0-2ubuntu10.8
questing

released

8.14.1-2ubuntu1.2
upstream

released

8.19.0

Показывать по

EPSS

Процентиль: 3%
0.00016
Низкий

5.3 Medium

CVSS3

Связанные уязвимости

CVSS3: 5.7
redhat
15 дней назад

A flaw was found in curl. When an OAuth2 bearer token is used for an HTTP(S) transfer that redirects to a second URL, curl could unintentionally leak the token. This occurs if the second hostname has entries in the `.netrc` file, allowing the bearer token intended for the first host to be sent to the redirected host. This information disclosure could allow an attacker to gain unauthorized access.

CVSS3: 5.3
nvd
15 дней назад

When an OAuth2 bearer token is used for an HTTP(S) transfer, and that transfer performs a redirect to a second URL, curl could leak that token to the second hostname under some circumstances. If the hostname that the first request is redirected to has information in the used .netrc file, with either of the `machine` or `default` keywords, curl would pass on the bearer token set for the first host also to the second one.

msrc
15 дней назад

token leak with redirect and netrc

CVSS3: 5.3
debian
15 дней назад

When an OAuth2 bearer token is used for an HTTP(S) transfer, and that ...

CVSS3: 5.3
github
15 дней назад

When an OAuth2 bearer token is used for an HTTP(S) transfer, and that transfer performs a redirect to a second URL, curl could leak that token to the second hostname under some circumstances. If the hostname that the first request is redirected to has information in the used .netrc file, with either of the `machine` or `default` keywords, curl would pass on the bearer token set for the first host also to the second one.

EPSS

Процентиль: 3%
0.00016
Низкий

5.3 Medium

CVSS3