Vulnerability · CVE-2016-8747
An information disclosure issue was discovered in Apache Tomcat 8.5.7 to 8.5.9 and 9.0.0.M11 to 9.0.0.M15 in reverse-proxy configurations.
Published Mar 14, 2017 · catalog updated Jun 17, 2026 · An information disclosure issue
Last checked Nov 6, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2016-8747. EPSS is 7.12%. Act only if a listed version of An information disclosure issue is installed.
Gaps on this record
- The stored product name is a package slug. The name on this page is taken from the title (An information disclosure issue).
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2026-73180 · Medium
- CVE-2026-68763 · High
- CVE-2026-68569 · High
- CVE-2026-68525 · Critical
- CVE-2026-66422 · High
- Severity
- High7.5
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 7.12%
- Remediation
- Version ranges on file
- Affected products
- cpe apache/tomcat
An information disclosure issue was discovered in Apache Tomcat 8.5.7 to 8.5.9 and 9.0.0.M11 to 9.0.0.M15 in reverse-proxy configurations. Http11InputBuffer.java allows remote attackers to read data that was intended to be associated with a different request.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe apache/tomcat9.0.0
- cpe apache/tomcat< 8.5.10
How to fix CVE-2016-8747
Upgrade
CVE-2016-8747 lists a fix boundary at 8.5.10. Compare the installed build with that boundary before you change production.
Version check
Affected < 8.5.10
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2016-8747. EPSS is 7.12%. Act only if a listed version of An information disclosure issue is installed.
Which versions are affected?
Compare what you have installed with 9.0.0, < 8.5.10. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-200: Exposure of Sensitive Information. EPSS 7.12%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Technology hubs
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Mar 14, 2017 · Monitored products — critical
Detected
An information disclosure issue was discovered in Apache Tomcat 8.5.7 to 8.5.9 and 9.0.0.M11 to 9.0.0.M15 in reverse-proxy configurations. Http11InputBuffer.java allows remote attackers to read data that was intended to be associated with a different request.
Jun 17, 2026 · Monitored products — critical
Updated
An information disclosure issue was discovered in Apache Tomcat 8.5.7 to 8.5.9 and 9.0.0.M11 to 9.0.0.M15 in reverse-proxy configurations. Http11InputBuffer.java allows remote attackers to read data that was intended to be associated with a different request.
Sources
- CVE.orgVulnerability recordCVE-2016-8747
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2016-8747
30-day exploitation probability 7.12%
first.org - Monitored products — criticalVendor advisoryCVE-2016-8747
An information disclosure issue was discovered in Apache Tomcat 8.5.7 to 8.5.9 and 9.0.0.M11 to 9.0.0.M15 in reverse-proxy configurations. Http11InputBuffer.java allows remote attackers to read data that was intended to be associated with a different request.
nvd.nist.gov
References
Freshness
Last verified in this catalog Nov 6, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSNov 6, 2026
- CVE.orgNov 4, 2026
- Monitored products — criticalNov 3, 2026