How severe is CVE-2025-22146?

CVE-2025-22146 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2025-22146 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-22146?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-22146 have an EU (EUVD) identifier?

Yes. CVE-2025-22146 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-0092.

When was CVE-2025-22146 published?

CVE-2025-22146 was published on 2025-01-15 and last updated on 2026-06-17.

CVE-2025-22146

CVE-2025-22146 is a critical-severity vulnerability with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-0092
Weakness: CWE-287
Published: 2025-01-15
Last modified: 2026-06-17

Description

Sentry is a developer-first error tracking and performance monitoring tool. A critical vulnerability was discovered in the SAML SSO implementation of Sentry. It was reported to us via our private bug bounty program. 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. The Sentry SaaS fix was deployed on Jan 14, 2025. For self hosted users; if only a single organization is allowed `(SENTRY_SINGLE_ORGANIZATION = True)`, then no action is needed. Otherwise, users should upgrade to version 25.1.0 or higher. There are no known workarounds for this vulnerability.

Frequently asked questions

What is CVE-2025-22146?: Sentry is a developer-first error tracking and performance monitoring tool. A critical vulnerability was discovered in the SAML SSO implementation of Sentry. It was reported to us via our private bug bounty program. 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. The Sentry SaaS fix was deployed on Jan 14, 2025. For self hosted users; if only a single organization is allowed `(SENTRY_SINGLE_ORGANIZATION = True)`, then no action is needed. Otherwise, users should upgrade to version 25.1.0 or higher. There are no known workarounds for this vulnerability.
How severe is CVE-2025-22146?: CVE-2025-22146 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2025-22146 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-22146?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-22146 have an EU (EUVD) identifier?: Yes. CVE-2025-22146 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-0092.
When was CVE-2025-22146 published?: CVE-2025-22146 was published on 2025-01-15 and last updated on 2026-06-17.

References

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

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