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CVE-2026-13676

Опубликовано: 29 июн. 2026
Источник: ubuntu
Приоритет: medium
EPSS Низкий
CVSS3: 7.5

Описание

fast-uri versions 2.3.1 through 3.1.2 and 4.0.0 fail to canonicalize Unicode (IDN) hostnames for HTTP-family URLs. The IDN conversion path calls a helper that does not exist on the global URL constructor, silently leaving the host in its original Unicode form while normalize() and equal() still return values that differ from a WHATWG-compatible URL parser. Applications that use fast-uri to enforce host-based policy (denylists, loopback filtering, redirect validation, outbound proxy routing) before passing the same URL to Node's URL or fetch can be bypassed when the two implementations resolve the same input to different hosts. Patches: upgrade to fast-uri 3.1.3 for the 3.x line or 4.0.1 for the 4.x line. Workarounds: enforce host policy using the same URL parser used for the actual request, or reject non-ASCII hosts before policy checks.

РелизСтатусПримечание
devel

needs-triage

esm-apps/bionic

needs-triage

esm-apps/focal

needs-triage

esm-apps/jammy

needs-triage

esm-apps/noble

needs-triage

esm-apps/resolute

needs-triage

jammy

needs-triage

noble

needs-triage

questing

ignored

end of life, was needs-triage
resolute

needs-triage

Показывать по

EPSS

Процентиль: 32%
0.00384
Низкий

7.5 High

CVSS3

Связанные уязвимости

CVSS3: 7.5
redhat
около 2 месяцев назад

fast-uri versions 2.3.1 through 3.1.2 and 4.0.0 fail to canonicalize Unicode (IDN) hostnames for HTTP-family URLs. The IDN conversion path calls a helper that does not exist on the global URL constructor, silently leaving the host in its original Unicode form while normalize() and equal() still return values that differ from a WHATWG-compatible URL parser. Applications that use fast-uri to enforce host-based policy (denylists, loopback filtering, redirect validation, outbound proxy routing) before passing the same URL to Node's URL or fetch can be bypassed when the two implementations resolve the same input to different hosts. Patches: upgrade to fast-uri 3.1.3 for the 3.x line or 4.0.1 for the 4.x line. Workarounds: enforce host policy using the same URL parser used for the actual request, or reject non-ASCII hosts before policy checks.

CVSS3: 7.5
nvd
около 2 месяцев назад

fast-uri versions 2.3.1 through 3.1.2 and 4.0.0 fail to canonicalize Unicode (IDN) hostnames for HTTP-family URLs. The IDN conversion path calls a helper that does not exist on the global URL constructor, silently leaving the host in its original Unicode form while normalize() and equal() still return values that differ from a WHATWG-compatible URL parser. Applications that use fast-uri to enforce host-based policy (denylists, loopback filtering, redirect validation, outbound proxy routing) before passing the same URL to Node's URL or fetch can be bypassed when the two implementations resolve the same input to different hosts. Patches: upgrade to fast-uri 3.1.3 for the 3.x line or 4.0.1 for the 4.x line. Workarounds: enforce host policy using the same URL parser used for the actual request, or reject non-ASCII hosts before policy checks.

CVSS3: 7.5
debian
около 2 месяцев назад

fast-uri versions 2.3.1 through 3.1.2 and 4.0.0 fail to canonicalize U ...

suse-cvrf
около 2 месяцев назад

Security update for python-pydata-sphinx-theme

CVSS3: 7.5
github
28 дней назад

fast-uri vulnerable to host confusion via failed IDN canonicalization

EPSS

Процентиль: 32%
0.00384
Низкий

7.5 High

CVSS3