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Thrift EUVDEUVD-2026-49152

| CVE-2026-55968 HIGH
Inefficient Algorithmic Complexity (CWE-407)
8.7
CVSS 4.0 · Vendor
View

Vulnerability Assessment

Weakness
CWE
ASVS 5.0
V2 - Validation and Business Logic Algorithmic complexity limits
This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
Patch available 1.1% exploitation probability (EPSS)

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AnalysisAIv1 – Jul 26, 2026

Denial of service in Apache Thrift Node.js server bindings before 0.24.0 allows remote attackers to exhaust server CPU resources via crafted requests that trigger quadratic-time processing in the receive transport. No active exploitation or public exploit is known at

Affected VersionsENISA

Apache Thrift 0 <0.24.0

Affected Packages

euvd apache_thrift fix: 0.24.0

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (CNA) PRIMARY 8.7 HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
SUSE HIGH
Red Hat 7.5 HIGH

Primary rating from Vendor (CNA).

CVSS VectorVendor

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Vulnerable system: Confidentiality
None
Vulnerable system: Integrity
None
Vulnerable system: Availability
High
Subsequent system: Confidentiality
None
Subsequent system: Integrity
None
Subsequent system: Availability
None

Lifecycle Timeline

2
Patch available
Jul 27, 2026 - 12:16 EUVD
CVE Published
Jul 24, 2026 - 22:40 oss-security
CRITICAL

Description PRE-NVD

Disclosed via oss-security. NVD scoring and full description are pending.

Executive ViewAI

Why It Matters

Apache Thrift Node.js server bindings before version 0.24.0 contain a critical denial-of-service vulnerability that allows remote attackers to exhaust server CPU resources through specially crafted requests. Organizations using this library are at risk of service disruption, potentially impacting application availability and user experience. Leadership should prioritize mitigation measures to prevent operational downtime.

Recommended Action

Within 24 hours, implement network-level rate limiting and IP-based access controls to reduce exposure. Over the next 7 days, deploy additional monitoring to detect anomalous CPU spikes and consider placing affected services behind a Web Application Firewall (WAF) with request validation. Within 30 days, evaluate alternative middleware or apply input sanitization and resource quotas to limit the impact of quadratic-time processing; monitor vendor channels for an official patch.

Business Impact: High
Compensating Controls

No vendor-released patch identified at time of analysis. Interim mitigations include rate limiting incoming connections, restricting source IPs, and implementing request timeout and CPU usage monitors. Additionally, consider deploying a reverse proxy to filter malformed requests and reduce exposure until a patch is available.

Threat Intelligence Overview

EPSS Score
1.1%
Top 38% exploitable
Social Media
1
Sightings
Data Quality
7 sources
Confidence: High

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 1.1%
Patch available Yes
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision
Scheduled
Exploitation
None
System Exposure· derived
Open
Automatable
Yes
Human Impact
High
Technical Impact
Partial

Priority Score

45
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +44
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

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Vendor StatusVendor

SUSE

Severity: Important
Product Status
SUSE Package Hub 15 SP7 Fixed
openSUSE Tumbleweed Fixed
SUSE Package Hub 15 SP7 Affected

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