CVE-2026-29146 (GCVE-0-2026-29146)

Vulnerability from cvelistv5 – Published: 2026-04-09 19:21 – Updated: 2026-07-13 12:05
VLAI
Title
Apache Tomcat: EncryptInterceptor vulnerable to padding oracle attack by default
Summary
Padding Oracle vulnerability in Apache Tomcat's EncryptInterceptor with default configuration. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.0.0-M1 through 10.1.52, from 9.0.13 through 9..115, from 8.5.38 through 8.5.100, from 7.0.100 through 7.0.109. Users are recommended to upgrade to version 11.0.19, 10.1.53 and 9.0.116, which fixes the issue.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • Padding Oracle
  • CWE-209 - Generation of Error Message Containing Sensitive Information
  • CWE-642 - External Control of Critical State Data
  • CWE-1240 - Use of a Cryptographic Primitive with a Risky Implementation
Assigner
References
Impacted products
Vendor Product Version
Apache Software Foundation Apache Tomcat Affected: 11.0.0-M1 , ≤ 11.0.18 (semver)
Affected: 10.0.0-M1 , ≤ 10.1.52 (semver)
Affected: 9.0.13 , ≤ 9.0.115 (semver)
Affected: 8.5.38 , ≤ 8.5.100 (semver)
Affected: 7.0.100 , ≤ 7.0.109 (semver)
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Red Hat Red Hat JBoss Web Server 6.2 on RHEL 10     cpe:/a:redhat:jboss_enterprise_web_server:6.2::el10
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Red Hat Red Hat Enterprise Linux Server (v. 7 ELS)     cpe:/o:redhat:rhel_els:7
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Red Hat Red Hat Enterprise Linux Server Optional (v. 7 ELS)     cpe:/o:redhat:rhel_els:7
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Red Hat Red Hat JBoss Web Server 6.2 on RHEL 8     cpe:/a:redhat:jboss_enterprise_web_server:6.2::el8
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Red Hat Red Hat JBoss Web Server 6.2 on RHEL 9     cpe:/a:redhat:jboss_enterprise_web_server:6.2::el9
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Red Hat Red Hat Enterprise Linux AppStream EUS (v. 10.0)     cpe:/o:redhat:enterprise_linux_eus:10.0
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Red Hat Red Hat Enterprise Linux AppStream (v. 10)     cpe:/o:redhat:enterprise_linux:10.2
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Red Hat Red Hat Enterprise Linux AppStream (v. 8)     cpe:/a:redhat:enterprise_linux:8::appstream
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Red Hat Red Hat Enterprise Linux AppStream E4S (v.8.8)     cpe:/a:redhat:rhel_e4s:8.8::appstream
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Red Hat Red Hat Enterprise Linux AppStream TUS (v.8.8)     cpe:/a:redhat:rhel_tus:8.8::appstream
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Red Hat Red Hat Enterprise Linux AppStream E4S (v.9.2)     cpe:/a:redhat:rhel_e4s:9.2::appstream
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Red Hat Red Hat Enterprise Linux AppStream E4S (v.9.4)     cpe:/a:redhat:rhel_e4s:9.4::appstream
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Red Hat Red Hat Enterprise Linux AppStream EUS (v.9.6)     cpe:/a:redhat:rhel_eus:9.6::appstream
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Red Hat Red Hat Enterprise Linux AppStream (v. 9)     cpe:/a:redhat:enterprise_linux:9::appstream
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Red Hat Red Hat JBoss Web Server 6.2.3     cpe:/a:redhat:jboss_enterprise_web_server:6.2
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Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
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Red Hat Red Hat Enterprise Linux 8     cpe:/o:redhat:enterprise_linux:8
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Red Hat Red Hat JBoss Web Server 5     cpe:/a:redhat:jboss_enterprise_web_server:5
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Red Hat Red Hat Enterprise Linux 9     cpe:/o:redhat:enterprise_linux:9
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Credits
Uri Katz and Avi Lumelsky (Oligo Security)
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}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.