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CVE-2026-56858

Опубликовано: 13 авг. 2026
Источник: redhat
CVSS3: 8.1
EPSS Низкий

Описание

Previously, pathological inputs could close an unescaped '/' early, allowing for attack-controlled data to inject arbitrary content, potentially leading to XSS.

A flaw was found in the html/template component of Go (golang). Pathological inputs could prematurely close an unescaped forward slash ('/'), allowing an attacker to inject arbitrary content. This could lead to Cross-Site Scripting (XSS), where malicious scripts are executed in a user's browser, potentially compromising user data or actions.

Отчет

This is an Important cross-site scripting (XSS) vulnerability in the Go html/template package. Applications utilizing this package to render untrusted input are susceptible to arbitrary content injection due to a flaw in how pathological inputs are handled, potentially leading to client-side script execution.

Меры по смягчению последствий

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Assisted Installer for Red Hat OpenShift Container Platform 2rhai/assisted-installer-rhel9Affected
AWS Load Balancer Operatoralbo/aws-load-balancer-controller-rhel8Affected
Compliance Operatorcompliance/openshift-compliance-rhel8-operatorAffected
Confidential Compute Attestationbuild-of-trustee/trustee-rhel9-operatorAffected
Deployment Validation Operatordvo/deployment-validation-rhel8-operatorAffected
Exploit Intelligenceexploit-intelligence-tech-preview/agent-client-rhel9Affected
Exploit Intelligenceexploit-intelligence-tech-preview/exploit-intelligence-operator-controller-rhel9Affected
Exploit Intelligenceexploit-intelligence-tech-preview/vulnerability-analysis-rhel9Affected
ExternalDNS Operatoredo/external-dns-rhel9Affected
ExternalDNS Operatoredo/external-dns-rhel9-operatorAffected

Показывать по

Дополнительная информация

Статус:

Important
Дефект:
CWE-79
https://bugzilla.redhat.com/show_bug.cgi?id=2515838html/template: golang: Go html/template: Cross-Site Scripting via pathological input

EPSS

Процентиль: 24%
0.0031
Низкий

8.1 High

CVSS3

Связанные уязвимости

CVSS3: 6.1
ubuntu
2 месяца назад

Previously, pathological inputs could close an unescaped '/' early, allowing for attack-controlled data to inject arbitrary content, potentially leading to XSS.

CVSS3: 6.1
nvd
2 месяца назад

Previously, pathological inputs could close an unescaped '/' early, allowing for attack-controlled data to inject arbitrary content, potentially leading to XSS.

msrc
2 месяца назад

Fix Javascript regexp context tracking in html/template

CVSS3: 6.1
debian
2 месяца назад

Previously, pathological inputs could close an unescaped '/' early, al ...

CVSS3: 6.1
redos
около 1 месяца назад

Уязвимость golang

EPSS

Процентиль: 24%
0.0031
Низкий

8.1 High

CVSS3

Уязвимость CVE-2026-56858