html/template: golang: html/template: Cross-site scripting due to incorrect script tag escaping

A flaw was found in html/template. A trusted template author could craft a script tag with an empty or whitespace-only 'type' attribute. This vulnerability causes the template engine to incorrectly escape data passed into the script block, potentially leading to cross-site scripting XSS. An...

BIT-GOLANG-2026-56858 Fix Javascript regexp context tracking in html/template

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

OPENSUSE-SU-2026:21592-1 Security update for go1.25

This update for go1.25 fixes the following issues: Update to go1.25.13 released 2026-08-13, bsc1244485. Security issues fixed: - CVE-2026-33818: encoding/asn1: unenforced recursion limit can lead to stack exhaustion when parsing deeply-nested, recursive structures bsc1275034. - CVE-2026-39821:...

Security update for go1.26

This update for go1.26 fixes the following issues: Security issues fixed: CVE-2026-33818: encoding/asn1: enforce maximum recursion depth bsc1275034. CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allows for validation bypass and privilege escalation...

SUSE-SU-2026:3641-1 Security update for go1.26

This update for go1.26 fixes the following issues: Security issues fixed: - CVE-2026-33818: encoding/asn1: enforce maximum recursion depth bsc1275034. - CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allows for validation bypass and privilege escalatio...

Security update for go1.25

This update for go1.25 fixes the following issues: Security issues fixed: CVE-2026-33818: encoding/asn1: enforce maximum recursion depth bsc1275034. CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allows for validation bypass and privilege escalation...

SUSE-SU-2026:3640-1 Security update for go1.25

This update for go1.25 fixes the following issues: Security issues fixed: - CVE-2026-33818: encoding/asn1: enforce maximum recursion depth bsc1275034. - CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allows for validation bypass and privilege escalatio...

CVE-2026-56858

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,...

html/template: golang: Go html/template: Cross-Site Scripting via pathological input

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,...

html/template: golang: Go html/template: Cross-Site Scripting via pathological input

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,...

CVE-2026-56858 Fix Javascript regexp context tracking in html/template

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

CVE-2026-56858

Technical details about CVE-2026-56858 are not publicly available in the provided connected documents. Monitor for updates. The initial description notes that pathological inputs could close an unescaped '/' to inject content, potentially leading to XSS.

CVE-2026-56858 Fix Javascript regexp context tracking in html/template

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

GO-2026-6091 Fix Javascript regexp context tracking in html/template

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

Cross-site Scripting (XSS)

Overview std/html/template is a Go standard library package std/html/template Affected versions of this package are vulnerable to Cross-site Scripting XSS. Go Vulnerability Report:Previously, pathological inputs could close an unescaped '/' early, allowing for attack-controlled data to inject...

html/template: golang: html/template: Cross-site scripting due to incorrect script tag escaping

A flaw was found in html/template. A trusted template author could craft a script tag with an empty or whitespace-only 'type' attribute. This vulnerability causes the template engine to incorrectly escape data passed into the script block, potentially leading to cross-site scripting XSS. An...

html/template: golang: Go html/template: Cross-Site Scripting via improper URL escaping in meta tag content

A flaw was found in the html/template package of Go. A remote attacker could exploit this vulnerability by inserting ASCII whitespaces around the equals sign = within a URL's content attribute inside a tag. This improper escaping could lead to Cross-Site Scripting XSS, allowing the attacker to...

html/template: golang: Go html/template: Cross-Site Scripting via improper URL escaping in meta tag content

A flaw was found in the html/template package of Go. A remote attacker could exploit this vulnerability by inserting ASCII whitespaces around the equals sign = within a URL's content attribute inside a tag. This improper escaping could lead to Cross-Site Scripting XSS, allowing the attacker to...

html/template: golang: html/template: Cross-site scripting due to incorrect script tag escaping

A flaw was found in html/template. A trusted template author could craft a script tag with an empty or whitespace-only 'type' attribute. This vulnerability causes the template engine to incorrectly escape data passed into the script block, potentially leading to cross-site scripting XSS. An...

MiracleLinux 9 : golang-1.26.3-1.el9_8 (AXSA:2026-1288:06)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1288:06 advisory. net/mail: golang: net/mail: Denial of Service via pathological email address parsing CVE-2026-42499 cmd/go: golang: Go command cmd/go: Integrity...