CVE-2026-66054: apache software foundation apache thrift
CVSS: 6.9v4.0MediumDeferred
AliasesUBUNTU-CVE-2026-66054DEBIAN-CVE-2026-66054
Published 02-10-2026Last modified 03-10-2026
Vulnerability summary
CVE-2026-66054 is a medium (CVSS 6.9) vulnerability in apache software foundation apache thrift. EPSS estimates a 0.43% chance of exploitation in the next 30 days, higher than 35.3% of scored vulnerabilities.
CVSS score
6.9/10
010
Medium · v4.0 (CVE.org)EPSS score
0.43%
0%100%
Low · Change unavailableKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1Timeline
- 02-10-2026PublishedVulnerability first disclosed.
- 03-10-2026Last modifiedVulnerability information updated.
Description
Allocation of Resources Without Limits or Throttling, Improper Handling of Highly Compressed Data (Data Amplification) vulnerability in Apache Thrift C++ bindings. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.25.0, which fixes the issue.
CVSS metrics
4 scores · 4 sources · 1 versionMedium 6.9Preferred score · CVE.org (CNA)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:NSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated6.9MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
- OSV · DebianEcosystem advisory · calculated6.9MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- NVDNIST6.9MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS trend
Probability
0.43%
Chance of exploitation in the next 30 days
Percentile
35%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
03-10-202618-10-2026
EPSS score0.43%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-409Improper Handling of Highly Compressed Data (Data Amplification)The product does not handle or incorrectly handles a compressed input with a very high compression ratio that produces a large output.
- CWE-770Allocation of Resources Without Limits or ThrottlingThe product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.
Affected systems
Apache software foundation1 product
- apache thrift< 0.25.0
Debian1 product
- thriftAll versions (No fix recorded)
Ubuntu1 product
- thriftAll versions (No fix recorded)
3 vendors · 3 products
