Vulnerability Reportelasticsearch:8.18.0

elasticsearch:8.18.0
DIGESTsha256:658ea54de8d38c9ee69389e7fe226d6fd589816d7ed7f7cc911017ed646216d5

Executive Summary

Last scanned:

Threat Score
100/100DANGEROUS
Reputation
TRUSTED

This image poses a critical security risk and must not be used in production, especially as an internet-facing service. An attacker could exploit Netty DNS vulnerabilities (CVE-2026-45674, CVE-2026-47691) to poison DNS caches and redirect traffic, or use HTTP request smuggling (CVE-2026-42581) to bypass security controls. Denial-of-service attacks via CVE-2026-33871 can exhaust CPU resources. Some vulnerabilities, like the Tika XXE issues, require non-default ingest attachment pipelines, but the majority of high-severity findings are reachable by default through Elasticsearch's network services.

Vulnerabilities

Vulnerability Log

67 total
CVE IDAdjusted SeverityPackageExploit ProbabilityRisk Context
CVE-2026-45674HIGH8.5
io.netty:netty-resolver-dns
4.1.118.Final
fixed in 4.2.15.Final, 4.1.135.Final
0.2%
Theoretical Threat
Directly ExposedContext importance: HIGH
CVE-2026-47691HIGH8.5
io.netty:netty-resolver-dns
4.1.118.Final
fixed in 4.2.15.Final, 4.1.135.Final
0.3%
Theoretical Threat
Directly ExposedContext importance: HIGH
CVE-2026-42581HIGH8.33
io.netty:netty-codec-http
4.1.118.Final
fixed in 4.2.13.Final, 4.1.133.Final
0.6%
Theoretical Threat
Directly ExposedContext importance: HIGH
CVE-2025-66516HIGH8
org.apache.tika:tika-core
2.9.2
fixed in 3.2.2
79.8%
Actively Exploited
Directly ExposedContext importance: MEDIUM
CVE-2025-66516HIGH8
org.apache.tika:tika-parser-pdf-module
2.9.2
fixed in 3.2.2
79.8%
Actively Exploited
Directly ExposedContext importance: MEDIUM
CVE-2025-54988HIGH7.52
org.apache.tika:tika-parser-pdf-module
2.9.2
fixed in 3.2.2
3.0%
Low-Moderate Risk
Directly ExposedContext importance: MEDIUM
CVE-2026-33871HIGH7.5
io.netty:netty-codec-http2
4.1.118.Final
fixed in 4.1.132.Final, 4.2.11.Final
1.1%
Low-Moderate Risk
Directly ExposedContext importance: HIGH
CVE-2026-42583MEDIUM6.38
io.netty:netty-codec
4.1.118.Final
fixed in 4.1.133.Final
0.4%
Theoretical Threat
Directly Exposed
CVE-2025-58057MEDIUM6.38
io.netty:netty-codec
4.1.118.Final
fixed in 4.1.125.Final
0.6%
Theoretical Threat
Directly ExposedContext importance: HIGH
CVE-2026-33870MEDIUM6.38
io.netty:netty-codec-http
4.1.118.Final
fixed in 4.1.132.Final, 4.2.10.Final
0.6%
Theoretical Threat
Directly ExposedContext importance: HIGH
CVE-2026-42587MEDIUM6.38
io.netty:netty-codec-http
4.1.118.Final
fixed in 4.2.13.Final, 4.1.133.Final
0.9%
Theoretical Threat
Directly Exposed
CVE-2026-42585MEDIUM6.38
io.netty:netty-codec-http
4.1.118.Final
fixed in 4.2.13.Final, 4.1.133.Final
0.2%
Theoretical Threat
Directly Exposed
CVE-2025-58056MEDIUM6.38
io.netty:netty-codec-http
4.1.118.Final
fixed in 4.1.125.Final, 4.2.5.Final
0.6%
Theoretical Threat
Directly ExposedContext importance: HIGH
CVE-2025-55163MEDIUM6.38
io.netty:netty-codec-http2
4.1.118.Final
fixed in 4.2.4.Final, 4.1.124.Final
1.0%
Theoretical Threat
Directly ExposedContext importance: HIGH
CVE-2026-42587MEDIUM6.38
io.netty:netty-codec-http2
4.1.118.Final
fixed in 4.2.13.Final, 4.1.133.Final
0.9%
Theoretical Threat
Directly Exposed
CVE-2026-48043MEDIUM6.38
io.netty:netty-codec-http2
4.1.118.Final
fixed in 4.1.135.Final, 4.2.15.Final
0.6%
Theoretical Threat
Directly Exposed
CVE-2026-45416MEDIUM6.38
io.netty:netty-handler
4.1.118.Final
fixed in 4.2.15.Final, 4.1.135.Final
0.5%
Theoretical Threat
Directly Exposed
CVE-2026-50010MEDIUM6.38
io.netty:netty-handler
4.1.118.Final
fixed in 4.2.15.Final, 4.1.135.Final
0.3%
Theoretical Threat
Directly Exposed
CVE-2026-42578MEDIUM6.38
io.netty:netty-handler-proxy
4.1.118.Final
fixed in 4.1.133.Final, 4.2.13.Final
0.9%
Theoretical Threat
Directly Exposed
CVE-2026-45292MEDIUM6.38
io.opentelemetry:opentelemetry-api
1.31.0
fixed in 1.62.0
0.8%
Theoretical Threat
Directly Exposed
CVE-2026-34480MEDIUM6.38
org.apache.logging.log4j:log4j-core
2.12.4
fixed in 2.25.4
0.9%
Theoretical Threat
Directly Exposed
CVE-2026-34480MEDIUM6.38
org.apache.logging.log4j:log4j-core
2.19.0
fixed in 2.25.4
0.9%
Theoretical Threat
Directly Exposed
CVE-2026-5588MEDIUM6.38
org.bouncycastle:bcpkix-jdk18on
1.78.1
fixed in 1.84
0.4%
Theoretical Threat
Directly Exposed
CVE-2025-66566MEDIUM6.38
org.lz4:lz4-java
1.8.0
No fix yet
0.6%
Theoretical Threat
Directly ExposedContext importance: HIGH
CVE-2025-37731MEDIUM6.29
org.elasticsearch:elasticsearch
8.18.0
fixed in 8.19.8, 9.1.8, 9.2.2
0.2%
Theoretical Threat
Directly Exposed
CVE-2026-42579MEDIUM6.18
io.netty:netty-codec-dns
4.1.118.Final
fixed in 4.2.13.Final, 4.1.133.Final
0.9%
Theoretical Threat
Directly ExposedContext importance: MEDIUM
CVE-2025-4802MEDIUM5.95
libc-bin
2.31-0ubuntu9.17
fixed in 2.31-0ubuntu9.18
0.6%
Theoretical Threat
Directly Exposed
CVE-2025-4802MEDIUM5.95
libc6
2.31-0ubuntu9.17
fixed in 2.31-0ubuntu9.18
0.6%
Theoretical Threat
Directly Exposed
CVE-2026-45673MEDIUM5.78
io.netty:netty-resolver-dns
4.1.118.Final
fixed in 4.2.15.Final, 4.1.135.Final
0.3%
Theoretical Threat
Directly Exposed
CVE-2025-67735MEDIUM5.52
io.netty:netty-codec-http
4.1.118.Final
fixed in 4.2.8.Final, 4.1.129.Final
0.3%
Theoretical Threat
Directly Exposed
CVE-2026-41417MEDIUM5.52
io.netty:netty-codec-http
4.1.118.Final
fixed in 4.1.133.Final, 4.2.13.Final
0.3%
Theoretical Threat
Directly Exposed
CVE-2026-42580MEDIUM5.52
io.netty:netty-codec-http
4.1.118.Final
fixed in 4.2.13.Final, 4.1.133.Final
0.4%
Theoretical Threat
Directly Exposed
CVE-2026-0636MEDIUM5.52
org.bouncycastle:bcprov-jdk18on
1.78.1
fixed in 1.84
0.5%
Theoretical Threat
Directly Exposed
CVE-2025-68384MEDIUM5.52
org.elasticsearch.plugin:x-pack-security
8.18.0
fixed in 8.19.9, 9.1.9, 9.2.3
0.3%
Theoretical Threat
Directly Exposed
CVE-2025-12183MEDIUM5.52
org.lz4:lz4-java
1.8.0
fixed in 1.8.1
0.6%
Theoretical Threat
Directly Exposed
CVE-2026-54512MEDIUM5.5
com.fasterxml.jackson.core:jackson-databind
2.15.0
fixed in 2.18.8, 3.1.4, 2.21.4
0.6%
Theoretical Threat
Directly ExposedContext importance: MEDIUM
CVE-2026-54513MEDIUM5.5
com.fasterxml.jackson.core:jackson-databind
2.15.0
fixed in 2.18.8, 2.21.4, 3.1.4
0.7%
Theoretical Threat
Directly ExposedContext importance: MEDIUM
CVE-2026-44249MEDIUM5.5
io.netty:netty-handler
4.1.118.Final
fixed in 4.2.15.Final, 4.1.135.Final
0.6%
Theoretical Threat
Directly ExposedContext importance: MEDIUM
CVE-2025-22227MEDIUM5.18
io.projectreactor.netty:reactor-netty-http
1.0.45
fixed in 1.3.0-M5, 1.2.8
0.3%
Theoretical Threat
Directly Exposed
CVE-2025-3576MEDIUM5.02
libgssapi-krb5-2
1.17-6ubuntu4.9
fixed in 1.17-6ubuntu4.11
0.3%
Theoretical Threat
Directly Exposed
CVE-2025-3576MEDIUM5.02
libk5crypto3
1.17-6ubuntu4.9
fixed in 1.17-6ubuntu4.11
0.3%
Theoretical Threat
Directly Exposed
CVE-2025-3576MEDIUM5.02
libkrb5-3
1.17-6ubuntu4.9
fixed in 1.17-6ubuntu4.11
0.3%
Theoretical Threat
Directly Exposed
CVE-2025-3576MEDIUM5.02
libkrb5support0
1.17-6ubuntu4.9
fixed in 1.17-6ubuntu4.11
0.3%
Theoretical Threat
Directly Exposed
CVE-2026-34477MEDIUM5.02
org.apache.logging.log4j:log4j-core
2.12.4
fixed in 2.25.4
0.4%
Theoretical Threat
Directly Exposed
CVE-2026-34477MEDIUM5.02
org.apache.logging.log4j:log4j-core
2.19.0
fixed in 2.25.4
0.4%
Theoretical Threat
Directly Exposed
CVE-2025-37727MEDIUM4.84
org.elasticsearch:elasticsearch
8.18.0
fixed in 8.18.8, 8.19.5, 9.0.8, 9.1.5
0.2%
Theoretical Threat
Directly Exposed
CVE-2025-29088MEDIUM4.67
libsqlite3-0
3.31.1-4ubuntu0.6
fixed in 3.31.1-4ubuntu0.7
0.2%
Theoretical Threat
Directly Exposed
CVE-2026-54514MEDIUM4.5
com.fasterxml.jackson.core:jackson-databind
2.15.0
fixed in 2.18.8, 2.21.4, 3.1.4
0.2%
Theoretical Threat
Directly Exposed
CVE-2026-54515MEDIUM4.5
com.fasterxml.jackson.core:jackson-databind
2.15.0
fixed in 3.1.4, 2.18.9, 2.21.5, 2.22.1
0.3%
Theoretical Threat
Directly Exposed
CVE-2026-50020MEDIUM4.5
io.netty:netty-codec-http
4.1.118.Final
fixed in 4.2.15.Final, 4.1.135.Final
0.2%
Theoretical Threat
Directly Exposed
CVE-2026-47244MEDIUM4.5
io.netty:netty-codec-http2
4.1.118.Final
fixed in 4.2.15.Final, 4.1.135.Final
0.3%
Theoretical Threat
Directly Exposed
CVE-2026-50560MEDIUM4.5
io.netty:netty-codec-http2
4.1.118.Final
fixed in 4.2.15.Final, 4.1.135.Final
0.3%
Theoretical Threat
Directly Exposed
CVE-2025-8885MEDIUM4.5
org.bouncycastle:bc-fips
1.0.2.5
fixed in 1.0.2.6, 2.0.1
0.5%
Theoretical Threat
Directly Exposed
CVE-2025-8916MEDIUM4.5
org.bouncycastle:bcpkix-jdk18on
1.78.1
fixed in 1.79
0.4%
Theoretical Threat
Directly Exposed
CVE-2025-31672MEDIUM4.4
org.apache.poi:poi-ooxml
5.2.5
fixed in 5.4.0
1.2%
Low-Moderate Risk
Directly Exposed
CVE-2025-68390MEDIUM4.17
org.elasticsearch.plugin:x-pack-core
8.18.0
fixed in 8.19.8, 9.1.8, 9.2.2
0.3%
Theoretical Threat
Directly Exposed
CVE-2025-68161MEDIUM4.08
org.apache.logging.log4j:log4j-core
2.12.4
fixed in 2.25.3
0.7%
Theoretical Threat
Directly Exposed
CVE-2025-68161MEDIUM4.08
org.apache.logging.log4j:log4j-core
2.19.0
fixed in 2.25.3
0.7%
Theoretical Threat
Directly Exposed
CVE-2025-48924LOW3.7
org.apache.commons:commons-lang3
3.14.0
fixed in 3.18.0
2.2%
Low-Moderate Risk
Directly Exposed
CVE-2025-48924LOW3.7
org.apache.commons:commons-lang3
3.9
fixed in 3.18.0
2.2%
Low-Moderate Risk
Directly Exposed
CVE-2026-42584LOW2.78
io.netty:netty-codec-http
4.1.118.Final
fixed in 4.2.13.Final, 4.1.133.Final
0.7%
Theoretical Threat
Post-Exploit
CVE-2025-7962LOW2.29
com.sun.mail:jakarta.mail
1.6.3
fixed in 1.6.8, 2.0.2
0.8%
Theoretical Threat
Post-Exploit
CVE-2025-7962LOW2.29
com.sun.mail:jakarta.mail
1.6.4
fixed in 1.6.8, 2.0.2
0.8%
Theoretical Threat
Post-Exploit
CVE-2026-34479LOW2.29
org.apache.logging.log4j:log4j-1.2-api
2.19.0
fixed in 2.25.4
0.5%
Theoretical Threat
Post-Exploit
CVE-2025-14813LOW2.29
org.bouncycastle:bcprov-jdk18on
1.78.1
fixed in 1.80.2, 1.81.1, 1.84
0.3%
Theoretical Threat
Post-Exploit
GHSA-72hv-8253-57qqNONE0
com.fasterxml.jackson.core:jackson-core
2.15.0
fixed in 2.21.1, 2.18.6
Not Applicable
GHSA-72hv-8253-57qqNONE0
com.fasterxml.jackson.core:jackson-core
2.17.2
fixed in 2.21.1, 2.18.6
Not Applicable

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