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CVE-2026-48144: Apache Thrift: c_glib TLS Client Missing Hostname Verification

criticalCVSS 9.1CVE-2026-48144

CSIRTS triage

vendor: Apacheproduct: ThriftServer-side request forgery
What
The c_glib TLS client implementation does not verify the server hostname, allowing potential man-in-the-middle attacks.
Who is affected
All deployments using Apache Thrift's c_glib TLS client component are affected.
Urgency
Remediation is urgent; CVSS 9.1 is critical and hostname verification bypass enables interception attacks.
Action
Upgrade Apache Thrift to a patched version that implements proper hostname verification in the c_glib TLS client.

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Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
critical — CVSS 9.1
Published
2026-08-06
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48144

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-2026-48144coverage & 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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