CVE-2026-48586 Denial of service in Apache Thrift
Attackers can cause denial of service in Apache Thrift applications by sending highly compressed data that exceeds decompression size limits.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-48586?
CVE-2026-48586 is a high-severity denial of service vulnerability in Apache Thrift, published on 27 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper Handling of Highly Compressed Data (Data Amplification) vulnerability in Apache Thrift C++, Java, Python, Go, D, C/GLib bindings.
This issue affects Apache Thrift: before 0.24.0.
Users are recommended to upgrade to version 0.24.0, which fixes the issue.
Weakness: CWE-409
Which versions are affected by CVE-2026-48586?
1 open source package ship an affected version, including thrift. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
thrift Bitnami | All versions | 0.24.0 |
Linux distribution packages (4)
jaeger Red Hat:hummingbird:1 | All versions | 0:2.20.0-0.4.hum1 |
loki3.7 Red Hat:hummingbird:1 | All versions | 0:3.7.4-0.1.hum1 |
loki3.7-canary Red Hat:hummingbird:1 | All versions | 0:3.7.4-0.1.hum1 |
loki3.7-logcli Red Hat:hummingbird:1 | All versions | 0:3.7.4-0.1.hum1 |
Products include Apache Thrift.
How do I fix CVE-2026-48586?
Upgrade thrift to 0.24.0 or later.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-48586 being exploited?
There is no known exploitation of CVE-2026-48586 in the wild and no public exploit code.
Other vulnerabilities in Apache Thrift
- CVE-2026-55971 Apache Thrift: C++ ZLIB heap buffer overflow (write) in THeaderTransport::untransform()
- CVE-2026-48144 Apache Thrift: c_glib TLS Client Missing Hostname Verification
- CVE-2016-5397 Apache Thrift Go Library Command Injection
- CVE-2026-43871 Apache Thrift, Apache Thrift, Apache Thrift, Apache Thrift: TCompactProtocol varint byte-count limit
- CVE-2026-55968 Apache Thrift: Node.js quadratic-time DoS in server receive transports
Sources
Also known as AZL-94001, AZL-94166, AZL-94214, AZL-94238, AZL-94314, BIT-thrift-2026-48586 and 10 more.