High severity · published Oct 2, 2026
CVE-2026-93926
Apache Thrift: C++ `THeaderTransport::untransform()` leaks the zlib stream on the error path
8.7
CVSS
0.3%
EPSS
No
On KEV
Description
Missing release of memory after effective lifetime, Missing release of resource after effective lifetime vulnerability in Apache Thrift THeaderTransport.
This issue affects Apache Thrift: before 0.25.0.
Users are recommended to upgrade to version 0.25.0, which fixes the issue.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 20% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AT
Apache Thrift · Apache Software Foundation
before 0.25.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-93926
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-93926
vendor-advisory
https://lists.apache.org/thread/33otcgbqd27wf6qq810q56znzbomnhg1
vendor-advisory
https://lists.apache.org/thread/9353rb8mpoq4ltff88h1j2y3hfy6blgb
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