CVE-2026-27136

MEDIUM

6.1

CVSS v3

Description

Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering.

CWE-1021

How to fix

Remediation Available

golang-golang-x-netDebian

Fixed in:1:0.55.0-1CVE-2026-27136

aap-metrics-utilityRed Hat / RHEL

Fixed in:0:0.7.5-3.el9apRHSA-2026:42079

aap-metrics-utilityRocky

Fixed in:0:0.7.5-3.el9apRHSA-2026:42079

ansible-automation-platform-installerRed Hat / RHEL

Fixed in:0:2.6-8.1.el9apRHSA-2026:42079

ansible-automation-platform-installerRocky

Fixed in:0:2.6-8.1.el9apRHSA-2026:42079

ansible-builderRocky

Fixed in:0:3.1.1-3.1.el10apRHSA-2026:42080

Fixed in:0:3.1.1-3.1.el9apRHSA-2026:42080

ansible-builderRed Hat / RHEL

Fixed in:0:3.1.1-3.1.el10apRHSA-2026:42080

Fixed in:0:3.1.1-3.1.el9apRHSA-2026:42080

ansible-coreRed Hat / RHEL

Fixed in:2:2.16.19-1.el10apRHSA-2026:42080

Fixed in:2:2.16.19-1.el10apRHSA-2026:42079

Fixed in:2:2.16.19-1.el10apRHSA-2026:42080

Fixed in:1:2.16.19-1.el8apRHSA-2026:42078

Fixed in:1:2.16.19-1.el9apRHSA-2026:42079

ansible-coreRocky

Fixed in:2:2.16.19-1.el10apRHSA-2026:42080

Fixed in:2:2.16.19-1.el10apRHSA-2026:42079

Fixed in:2:2.16.19-1.el10apRHSA-2026:42080

Fixed in:2:2.16.19-1.el10apRHSA-2026:42079

Fixed in:1:2.16.19-1.el8apRHSA-2026:42078

Fixed in:1:2.16.19-1.el9apRHSA-2026:42080

Fixed in:1:2.16.19-1.el9apRHSA-2026:42078

ansible-creatorRocky

Fixed in:0:26.6.1-1.el10apRHSA-2026:42079

Fixed in:0:26.6.1-2.el10apRHSA-2026:42080

Fixed in:0:26.6.1-1.el10apRHSA-2026:42079

Fixed in:0:26.6.1-2.el10apRHSA-2026:42080

Fixed in:0:26.6.1-1.el9apRHSA-2026:42079

Fixed in:0:26.6.1-2.el9apRHSA-2026:42080

Fixed in:0:26.6.1-1.el9apRHSA-2026:42079

Fixed in:0:26.6.1-2.el9apRHSA-2026:42080

ansible-creatorRed Hat / RHEL

Fixed in:0:26.6.1-1.el10apRHSA-2026:42079

Fixed in:0:26.6.1-2.el10apRHSA-2026:42080

Fixed in:0:26.6.1-2.el9apRHSA-2026:42080

Fixed in:0:26.6.1-1.el9apRHSA-2026:42079

Fixed in:0:26.6.1-2.el9apRHSA-2026:42080

Fixed in:0:26.6.1-1.el9apRHSA-2026:42079

ansible-dev-environmentRed Hat / RHEL

Fixed in:0:26.6.1-1.el10apRHSA-2026:42079

Fixed in:0:26.6.1-1.el10apRHSA-2026:42080

Fixed in:0:26.6.1-1.el10apRHSA-2026:42079

Fixed in:0:26.6.1-1.el10apRHSA-2026:42080

Fixed in:0:26.6.1-1.el9apRHSA-2026:42080

Fixed in:0:26.6.1-1.el9apRHSA-2026:42079

ansible-dev-environmentRocky

Fixed in:0:26.6.1-1.el10apRHSA-2026:42079

Fixed in:0:26.6.1-1.el10apRHSA-2026:42080

Fixed in:0:26.6.1-1.el9apRHSA-2026:42079

Fixed in:0:26.6.1-1.el9apRHSA-2026:42080

Fixed in:0:26.6.1-1.el9apRHSA-2026:42079

ansible-dev-toolsRocky

Fixed in:0:26.7.1-1.el10apRHSA-2026:42080

Fixed in:0:26.7.1-1.el10apRHSA-2026:42079

Fixed in:0:26.7.1-1.el9apRHSA-2026:42080

Fixed in:0:26.7.1-1.el9apRHSA-2026:42079

Fixed in:0:26.7.1-1.el9apRHSA-2026:42080

Fixed in:0:26.7.1-1.el9apRHSA-2026:42079

ansible-dev-toolsRed Hat / RHEL

Fixed in:0:26.7.1-1.el10apRHSA-2026:42079

Fixed in:0:26.7.1-1.el10apRHSA-2026:42080

Fixed in:0:26.7.1-1.el9apRHSA-2026:42080

Fixed in:0:26.7.1-1.el9apRHSA-2026:42079

ansible-dev-tools+serverRocky

Fixed in:0:26.7.1-1.el10apRHSA-2026:42080

Fixed in:0:26.7.1-1.el10apRHSA-2026:42079

Fixed in:0:26.7.1-1.el9apRHSA-2026:42079

Fixed in:0:26.7.1-1.el9apRHSA-2026:42080

ansible-dev-tools+serverRed Hat / RHEL

Fixed in:0:26.7.1-1.el10apRHSA-2026:42080

Fixed in:0:26.7.1-1.el10apRHSA-2026:42079

Fixed in:0:26.7.1-1.el9apRHSA-2026:42080

Fixed in:0:26.7.1-1.el9apRHSA-2026:42079

ansible-lintRed Hat / RHEL

Fixed in:0:26.6.0-1.el10apRHSA-2026:42080

Fixed in:0:26.6.0-1.el10apRHSA-2026:42079

Fixed in:0:26.6.0-1.el10apRHSA-2026:42080

Fixed in:0:26.6.0-1.el9apRHSA-2026:42079

Fixed in:0:26.6.0-1.el9apRHSA-2026:42080

Fixed in:0:26.6.0-1.el9apRHSA-2026:42079

ansible-lintRocky

Fixed in:0:26.6.0-1.el10apRHSA-2026:42080

Fixed in:0:26.6.0-1.el10apRHSA-2026:42079

Fixed in:0:26.6.0-1.el10apRHSA-2026:42080

Fixed in:0:26.6.0-1.el9apRHSA-2026:42080

Fixed in:0:26.6.0-1.el9apRHSA-2026:42079

Fixed in:0:26.6.0-1.el9apRHSA-2026:42080

ansible-navigatorRed Hat / RHEL

Fixed in:0:26.6.0-1.el10apRHSA-2026:42079

Fixed in:0:26.6.0-2.el10apRHSA-2026:42080

Fixed in:0:26.6.0-1.el9apRHSA-2026:42079

Fixed in:0:26.6.0-2.el9apRHSA-2026:42080

Fixed in:0:26.6.0-1.el9apRHSA-2026:42079

ansible-navigatorRocky

Fixed in:0:26.6.0-2.el10apRHSA-2026:42080

Fixed in:0:26.6.0-1.el10apRHSA-2026:42079

Fixed in:0:26.6.0-2.el9apRHSA-2026:42080

Fixed in:0:26.6.0-1.el9apRHSA-2026:42079

Fixed in:0:26.6.0-2.el9apRHSA-2026:42080

ansible-signRocky

Fixed in:0:0.1.6-1.el10apRHSA-2026:42079

Fixed in:0:0.1.6-1.el10apRHSA-2026:42080

Fixed in:0:0.1.6-1.el10apRHSA-2026:42079

Fixed in:0:0.1.6-1.el9apRHSA-2026:42080

Fixed in:0:0.1.6-1.el9apRHSA-2026:42079

Fixed in:0:0.1.6-1.el9apRHSA-2026:42080

ansible-signRed Hat / RHEL

Fixed in:0:0.1.6-1.el10apRHSA-2026:42079

Fixed in:0:0.1.6-1.el10apRHSA-2026:42080

Fixed in:0:0.1.6-1.el10apRHSA-2026:42079

Fixed in:0:0.1.6-1.el9apRHSA-2026:42079

Fixed in:0:0.1.6-1.el9apRHSA-2026:42080

Fixed in:0:0.1.6-1.el9apRHSA-2026:42079

ansible-testRocky

Fixed in:1:2.16.19-1.el8apRHSA-2026:42078

Fixed in:1:2.16.19-1.el9apRHSA-2026:42079

Fixed in:1:2.16.19-1.el9apRHSA-2026:42078

ansible-testRed Hat / RHEL

Fixed in:1:2.16.19-1.el8apRHSA-2026:42078

Fixed in:1:2.16.19-1.el9apRHSA-2026:42079

Fixed in:1:2.16.19-1.el9apRHSA-2026:42078

automation-controllerRed Hat / RHEL

Fixed in:0:4.6.30-2.el8apRHSA-2026:42078

Fixed in:0:4.7.14-3.el9apRHSA-2026:42079

Fixed in:0:4.6.30-2.el9apRHSA-2026:42078

automation-controllerRocky

Fixed in:0:4.6.30-2.el8apRHSA-2026:42078

Fixed in:0:4.7.14-3.el9apRHSA-2026:42079

automation-controller-cliRocky

Fixed in:0:4.8.3-1.el10apRHSA-2026:42080

Fixed in:0:4.6.30-2.el8apRHSA-2026:42078

Fixed in:0:4.6.30-2.el9apRHSA-2026:42078

Fixed in:0:4.8.3-1.el9apRHSA-2026:42080

Fixed in:0:4.7.14-3.el9apRHSA-2026:42079

Fixed in:0:4.8.3-1.el9apRHSA-2026:42080

automation-controller-cliRed Hat / RHEL

Fixed in:0:4.8.3-1.el10apRHSA-2026:42080

Fixed in:0:4.6.30-2.el8apRHSA-2026:42078

Fixed in:0:4.7.14-3.el9apRHSA-2026:42079

Fixed in:0:4.8.3-1.el9apRHSA-2026:42080

Fixed in:0:4.6.30-2.el9apRHSA-2026:42078

automation-controller-serverRocky

Fixed in:0:4.6.30-2.el8apRHSA-2026:42078

Fixed in:0:4.6.30-2.el9apRHSA-2026:42078

Fixed in:0:4.7.14-3.el9apRHSA-2026:42079

This vulnerability affects an unusually large number of packages. The highest-confidence fixes are shown above; the full list is longer. Check the referenced advisories for complete coverage.

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploit Intelligence

0.22%probability of exploitation in 30 days

13thpercentile

Low risk: more likely to be exploited than 13% of all known CVEs.

References

Vendor Advisory1

pkg.go.dev

Issue Tracking2

Mailing List1

groups.google.com

Related Vulnerabilities

Other CWE-1021 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2021-21132	Critical	9.6	23%	-	Fix
CVE-2011-1244	Medium	5.8	15%	-	-
CVE-2013-2682	Medium	4.3	6.3%	-	-
CVE-2021-21139	Medium	6.5	4.7%	-	Fix
CVE-2017-11290	Medium	6.1	3.0%	-	-
CVE-2008-2716	Medium	5.0	3.0%	-	Fix

Common questions

How do I fix CVE-2026-27136?

Published advisories record a fix for 353 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2026-27136 being actively exploited?

Not that we know of. CVE-2026-27136 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.22% is the estimated probability that it will be exploited in the next 30 days. That is higher than 13% of all scored CVEs.

How severe is CVE-2026-27136?

CVE-2026-27136 has a CVSS v3 base score of 6.1, rated moderate. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2026-27136 affect?

Published advisories record a fix for golang-golang-x-net (Debian), aap-metrics-utility (Red Hat / RHEL), aap-metrics-utility (Rocky), ansible-automation-platform-installer (Red Hat / RHEL), and 349 more. The list on this page is capped, so there may be more.

Embed a live status badge for CVE-2026-27136

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-07-23.