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CVE-2026-48145: Apache Thrift: C++ TSSLSocket matchName() RFC 6125 Wildcard Bypass

highCVSS 7.5CVE-2026-48145

CSIRTS triage

vendor: Apacheproduct: ThriftAuthentication bypass
What
C++ TSSLSocket matchName() function incorrectly validates RFC 6125 wildcard certificates, allowing attackers to bypass hostname verification.
Who is affected
Deployments using Apache Thrift C++ client with SSL/TLS to servers with wildcard certificates.
Urgency
High; wildcard certificate bypass undermines SSL/TLS authentication trust model.
Action
Update to a patched Apache Thrift C++ version with correct RFC 6125 wildcard validation.

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Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
high — CVSS 7.5
Published
2026-08-06
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48145

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-48145coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for Apache Thrift

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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