CVE-2026-92001: Improper restriction of recursive entity references in DTDs ('XML entity expansion') vulnerability in Apache S

Q: How do I fix CVE-2026-92001?

sling xss protection api: upgrade to 2.4.12. Exact commands for each OS are on this page.

Q: Is CVE-2026-92001 being exploited?

CVE-2026-92001 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-92001 affect?

CVE-2026-92001 affects sling xss protection api. Severity is medium (CVSS 6.1). Improper restriction of recursive entity references in DTDs ('XML entity expansion') vulnerability in Apache Sling XSS. This issue affects Apache Sling XSS: before 2.4.12. Users are recommended to upgrade to version 2.4.12, which fixe

Q: How urgent is CVE-2026-92001?

Priority 38/100. On your watchlist

Routine

MEDIUM 6.1WATCHLISTUPGRADE

CVE-2026-92001 is a medium-severity flaw (CVSS 6.1) affecting sling xss protection api. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper restriction of recursive entity references in DTDs ('XML entity expansion') vulnerability in Apache Sling XSS. This issue affects Apache Sling XSS: before 2.4.12. Users are recommended to upgrade to version 2.4.12, which fixes the issue.

Why this priority

On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.6% (top 53%)
CISA exploited list	No
Weakness	CWE-776
Published	2026-09-23
Last modified	2026-09-30

Publisher (CNA): Apache Software Foundation · Vendor: apache

Last updated 2026-09-30 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-09-23 10:17 UTCPublished CVE record published
2026-09-30 15:59 UTCUpdated Record last modified

apache sling xss protection api UPGRADE

Affected: < 2.4.12

Fixed in: 2.4.12

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy sling-xss-protection-api || rpm -q sling-xss-protection-api || sling-xss-protection-api --version

2. UPGRADE to 2.4.12 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade sling-xss-protection-api

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade sling-xss-protection-api

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-92001?

sling xss protection api: upgrade to 2.4.12. Exact commands for each OS are on this page.

Is CVE-2026-92001 being exploited?

CVE-2026-92001 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-92001 affect?

CVE-2026-92001 affects sling xss protection api. Severity is medium (CVSS 6.1). Improper restriction of recursive entity references in DTDs ('XML entity expansion') vulnerability in Apache Sling XSS. This issue affects Apache Sling XSS: before 2.4.12. Users are recommended to upgrade to version 2.4.12, which fixe

How urgent is CVE-2026-92001?

Priority 38/100. On your watchlist

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References

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