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    <title>Most recent entries from all</title>
    <link>https://cve.radiocsirt.org</link>
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      <title>CVE-2026-27197 — Sentry: Improper Authentication on SAML SSO process allows user identity linking</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2026-27197</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; getsentry sentry&lt;/p&gt;
&lt;p&gt;Sentry is a developer-first error tracking and performance monitoring tool. Versions 21.12.0 through 26.1.0 have a critical vulnerability in its SAML SSO implementation  which allows an attacker to take over any user account by using a malicious SAML Identity Provider and another organization on the same Sentry instance. Self-hosted users are only at risk if the following criteria is met: ore than one organizations are configured (SENTRY_SINGLE_ORGANIZATION = True), or malicious user has existing access and permissions to modify SSO settings for another organization in a multo-organization instance. This issue has been fixed in version 26.2.0. To workaround this issue, implement user account-based two-factor authentication to prevent an attacker from being able to complete authentication with a victim&amp;#39;s user account. Organization administrators cannot do this on a user&amp;#39;s behalf, this requires individual users to ensure 2FA has been enabled for their account.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; getsentry sentry&lt;/p&gt;
&lt;p&gt;Sentry is a developer-first error tracking and performance monitoring tool. Versions 21.12.0 through 26.1.0 have a critical vulnerability in its SAML SSO implementation  which allows an attacker to take over any user account by using a malicious SAML Identity Provider and another organization on the same Sentry instance. Self-hosted users are only at risk if the following criteria is met: ore than one organizations are configured (SENTRY_SINGLE_ORGANIZATION = True), or malicious user has existing access and permissions to modify SSO settings for another organization in a multo-organization instance. This issue has been fixed in version 26.2.0. To workaround this issue, implement user account-based two-factor authentication to prevent an attacker from being able to complete authentication with a victim&amp;#39;s user account. Organization administrators cannot do this on a user&amp;#39;s behalf, this requires individual users to ensure 2FA has been enabled for their account.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://cve.radiocsirt.org/vuln/cve-2026-27197</guid>
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    <item>
      <title>GHSA-ggmg-cqg6-j45g — Sentry: Improper authentication on SAML SSO process allows user identity linking</title>
      <link>https://cve.radiocsirt.org/vuln/ghsa-ggmg-cqg6-j45g</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; PyPI: sentry&lt;/p&gt;
&lt;p&gt;### Impact
A critical vulnerability was discovered in the SAML SSO implementation of Sentry. It was reported to us via our private bug bounty program.&lt;/p&gt;
&lt;p&gt;The vulnerability allows an attacker to take over any user account by using a malicious SAML Identity Provider and another organization on the same Sentry instance. The victim email address must be known in order to exploit this vulnerability.&lt;/p&gt;
&lt;p&gt;For self-hosted users, you are only vulnerable if the following conditions are met:
- You have more than one organization configured (SENTRY_SINGLE_ORGANIZATION = False).
- A malicious user has existing access and permissions to modify SSO settings for another organization in your multo-organization instance.&lt;/p&gt;
&lt;p&gt;### Patches
- [Sentry SaaS](https://sentry.io/): The fix was deployed on February 18, 2026. No action is required.
- [Self-Hosted Sentry](https://github.com/getsentry/self-hosted): If only a single organization is allowed (SENTRY_SINGLE_ORGANIZATION = True), then no action is needed. We recommend upgrading to version 26.2.0 or higher.&lt;/p&gt;
&lt;p&gt;### Workarounds
User account-based two-factor authentication prevents an attacker from being able to complete authentication with a victim&amp;#39;s user account. Organization administrators cannot do this on a user&amp;#39;s behalf, this requires individual users to ensure 2FA has been enabled for their account.&lt;/p&gt;
&lt;p&gt;You can manage your two-factor authentication settings on your Account Settings &amp;gt; [Security](https://sentry.io/settings/account/security/) page. For st…&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; PyPI: sentry&lt;/p&gt;
&lt;p&gt;### Impact
A critical vulnerability was discovered in the SAML SSO implementation of Sentry. It was reported to us via our private bug bounty program.&lt;/p&gt;
&lt;p&gt;The vulnerability allows an attacker to take over any user account by using a malicious SAML Identity Provider and another organization on the same Sentry instance. The victim email address must be known in order to exploit this vulnerability.&lt;/p&gt;
&lt;p&gt;For self-hosted users, you are only vulnerable if the following conditions are met:
- You have more than one organization configured (SENTRY_SINGLE_ORGANIZATION = False).
- A malicious user has existing access and permissions to modify SSO settings for another organization in your multo-organization instance.&lt;/p&gt;
&lt;p&gt;### Patches
- [Sentry SaaS](https://sentry.io/): The fix was deployed on February 18, 2026. No action is required.
- [Self-Hosted Sentry](https://github.com/getsentry/self-hosted): If only a single organization is allowed (SENTRY_SINGLE_ORGANIZATION = True), then no action is needed. We recommend upgrading to version 26.2.0 or higher.&lt;/p&gt;
&lt;p&gt;### Workarounds
User account-based two-factor authentication prevents an attacker from being able to complete authentication with a victim&amp;#39;s user account. Organization administrators cannot do this on a user&amp;#39;s behalf, this requires individual users to ensure 2FA has been enabled for their account.&lt;/p&gt;
&lt;p&gt;You can manage your two-factor authentication settings on your Account Settings &amp;gt; [Security](https://sentry.io/settings/account/security/) page. For st…&lt;/p&gt;</content:encoded>
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