cve-2026-29145

CVE-2026-29145 — OCSPチェックがソフトフェイル無効時でもソフトフェイルすることがある 発見者: gregk4sec https://github.com/gregk4sec/cve 発見日: 2026-02-26 影響を受けるベンダー: Apache 影響を受ける製品: Tomcat 深刻度: 9.1 CRITICAL CWE: CWE-287 不適切な認証 ステータス: 審査中 / 修正済み / 非公開 / 公開 ✅ 概要 CLIENTCERT認証は、ソフトフェイルが無効になっている一部のシナリオで、期待どおりにOCSPチェックを失敗させませんでした。 技術分析 参...

PyJWT: Non-canonical signature segments enable raw-token revocation bypass

SummaryPyJWT 2.13.0 accepts compact JWS signature segments containing characters thatare not in the Base64URL alphabet. Appending !!!! to a valid signature doesnot change the decoded signature bytes or authenticated claims, but it changesthe serialized token and its SHA-256 hash. An application...

Rocky Linux 9.6 [TuxCare] Security Update: tomcat / tomcat-admin-webapps / tomcat-docs-webapp / etc (ALMALINUX9.6:CLSA-2026:1774442729)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1774442729 advisory. - Improper Input Validation vulnerability in Apache Tomcat Native, Apache Tomcat. When using an OCSP responder, Tomcat Native and Tomcat's...

Rocky Linux 10.2 [CIQ] Security Update: tomcat9 / tomcat9-admin-webapps / tomcat9-docs-webapp / etc Multiple Vulnerabilities (crlsa-2026_25341)

The Rocky Linux 10.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202625341 advisory. tomcat: Apache Tomcat: Certificate revocation bypass due to improper OCSP response validation CVE-2026-24734 tomcat: Client certificate verification...

GHSA-HXM8-2XGR-2P9M PyJWT: Non-canonical signature segments enable raw-token revocation bypass

Summary PyJWT 2.13.0 accepts compact JWS signature segments containing characters that are not in the Base64URL alphabet. Appending !!!! to a valid signature does not change the decoded signature bytes or authenticated claims, but it changes the serialized token and its SHA-256 hash. An applicati...

PyJWT: Non-canonical signature segments enable raw-token revocation bypass

Summary PyJWT 2.13.0 accepts compact JWS signature segments containing characters that are not in the Base64URL alphabet. Appending !!!! to a valid signature does not change the decoded signature bytes or authenticated claims, but it changes the serialized token and its SHA-256 hash. An applicati...

CVE-2026-102269

A flaw was found in PyJWT. When decoding JSON Web Token JWT signature segments, the library accepts characters outside the standard Base64URL encoding format. A remote attacker can exploit this issue by appending extra characters to a valid token signature, creating an alternate token...

CVE-2026-102269 PyJWT: Non-canonical signature segments enable raw-token revocation bypass

PyJWT is a Python implementation of JSON Web Token standards. Prior to 2.14.0, PyJWT signature segment is affected because signature segment decoding accepts characters outside the canonical Base64URL representation. This occurs when non-Base64URL characters are appended to a valid compact JWS...

CVE-2026-102269 PyJWT: Non-canonical signature segments enable raw-token revocation bypass

PyJWT is a Python implementation of JSON Web Token standards. Prior to 2.14.0, PyJWT signature segment is affected because signature segment decoding accepts characters outside the canonical Base64URL representation. This occurs when non-Base64URL characters are appended to a valid compact JWS...

CVE-2026-102269

The PyJWT Python library (prior to version 2.14.0 ) is vulnerable to a signature segment decoding issue. The library incorrectly accepts characters outside the canonical Base64URL representation, allowing non-Base64URL characters to be appended to a valid compact JWS signature segment. Because ba...

CVE-2026-102269 PyJWT: Non-canonical signature segments enable raw-token revocation bypass

PyJWT is a Python implementation of JSON Web Token standards. Prior to 2.14.0, PyJWT signature segment is affected because signature segment decoding accepts characters outside the canonical Base64URL representation. This occurs when non-Base64URL characters are appended to a valid compact JWS...

RockyLinux 10 : tomcat9 (RLSA-2026:25341)

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:25341 advisory. tomcat: Apache Tomcat: Certificate revocation bypass due to improper OCSP response validation CVE-2026-24734 tomcat: Client certificate verification...

CVE-2026-100554 OpenClaw before 2026.8.1 Canvas Capability Revocation Bypass

OpenClaw npm package 'openclaw' versions = 2026.5.12 and 2026.8.1 do not immediately invalidate Canvas HTTP authorization when a paired node is revoked. Node revocation invalidates the WebSocket client, but Canvas HTTP authorization continues to accept and renew the previously granted capability...

CVE-2026-100554

The OpenClaw (npm package 'openclaw') versions >= 2026.5.12 and

CVE-2026-86473

Apache Airflow: the Core API logout endpoint revokes only a session token presented as the token cookie. When a client logs out presenting its credential as an Authorization bearer header instead, the endpoint returns its normal logout response but revokes nothing, so the token remains valid unti...

io.netty/netty-handler-ssl-ocsp: Netty: Certificate revocation bypass via OCSP response replay attack

A flaw was found in Netty. The OcspClient component fails to validate that the Certificate ID in an Online Certificate Status Protocol OCSP response matches the requested Certificate ID. This vulnerability allows a remote attacker to bypass certificate revocation checks by presenting a legitimate...

Linux Distros Unpatched Vulnerability : CVE-2026-93602

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - rustls-webpki versions before 0.103.10 and 0.104.0-alpha.5 contain faulty CRL authority-matching logic that compares only the first distributionPoint against ea...

CVE-2026-93602

rustls-webpki versions before 0.103.10 and 0.104.0-alpha.5 contain faulty CRL authority-matching logic that compares only the first distributionPoint against each CRL's IssuingDistributionPoint, ignoring additional distributionPoints. Attackers with a compromised trusted issuing authority can...

CVE-2026-93602 rustls-webpki before 0.103.10 CRL Revocation Check Bypass

rustls-webpki versions before 0.103.10 and 0.104.0-alpha.5 contain faulty CRL authority-matching logic that compares only the first distributionPoint against each CRL's IssuingDistributionPoint, ignoring additional distributionPoints. Attackers with a compromised trusted issuing authority can...

CVE-2026-93602 rustls-webpki before 0.103.10 CRL Revocation Check Bypass

rustls-webpki versions before 0.103.10 and 0.104.0-alpha.5 contain faulty CRL authority-matching logic that compares only the first distributionPoint against each CRL's IssuingDistributionPoint, ignoring additional distributionPoints. Attackers with a compromised trusted issuing authority can...