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Pizzy Library EUVDEUVD-2026-36718

| CVE-2026-5233 HIGH
Improper Control of Interaction Frequency (CWE-799)
2026-06-15 TR-CERT GHSA-6554-rh36-hfh2
7.1
CVSS 3.1 · Vendor: TR-CERT
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Obtain low-privilege account
  2. Delivery
    Reach network-exposed Pizzy endpoint
  3. Exploit
    Issue high-frequency operation flood
  4. Execution
    Exhaust resources / bypass throttling
  5. Impact
    Degrade service availability

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V2 - Validation and Business Logic Interaction frequency control
Exploitation Conditions

Attacker must hold valid low-privilege credentials (PR:L) to a service exposing Pizzy Library over the network (AV:N), and that service must reach a Pizzy Library endpoint lacking frequency/throttling controls; no user interaction is required (UI:N) and exploitation complexity is low (AC:L). Limiting factors: deployments that already front the library with rate-limiting middleware, API gateways, or WAF quota policies materially reduce exploitability, as does restricting authentication to a small trusted population - the flaw is not exploitable pre-authentication.

Impact

The CVSS vector AV:N/AC:L/PR:L/UI:N indicates network-reachable, low-complexity exploitation requiring only low-privilege authentication, with the primary impact on availability (A:H) and partial integrity (I:L) but no confidentiality loss (C:N) - consistent with a flooding/DoS-class flaw rather than data exposure. The 7.1 score is therefore credible as a real availability risk for any deployment that authenticates a broad user population, since a single low-privilege account suffices. No EPSS score, KEV listing, or public POC was provided, suggesting exploitation is plausible but not confirmed widespread; the 'Information Disclosure' tag in the input conflicts with the CVSS vector showing C:N - this contradiction should be verified with the vendor before treating the issue as a confidentiality concern.

Exploit ScenarioDerived

An attacker who has obtained or registered a low-privilege account on a service that embeds Pizzy Library issues a high-volume stream of operations against an endpoint that lacks frequency controls, exhausting CPU or memory and rendering the service unresponsive to other users. Because no public exploit is identified at time of analysis, the most likely real-world abuse is opportunistic disruption by insiders or compromised low-tier accounts rather than mass automated exploitation.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
Patch available 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Jun 15, 2026

Resource flooding in MIA Technology Pizzy Library versions 1.0.0.26250 through 1.3.9.26250 allows authenticated remote attackers to abuse improper interaction frequency controls (CWE-799) to degrade availability and tamper with integrity. With a CVSS 3.1 base score of 7.1 and no public exploit identified at time of analysis, the flaw primarily threatens service availability in deployments that expose the library over the network. The advisory was coordinated through Turkey's TR-CERT, with no CISA KEV listing and no EPSS data provided.

RemediationAI

Upgrade Pizzy Library to version 1.3.9.26250 or later, which is the first fixed release per the affected-range boundary in the advisory at https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0383. If immediate upgrade is not feasible, place the library behind a reverse proxy or API gateway that enforces per-account request-rate limits and connection quotas (trade-off: legitimate batch workloads may be throttled), and restrict authentication to a minimal trusted user set to shrink the attacker pool. Monitor for sustained request bursts from single authenticated identities and add alerting on resource saturation (CPU, thread pool, memory) tied to Pizzy Library processes.

Affected VersionsENISA

Pizzy Library 1.0.0.26250 <1.3.9.26250

Affected Packages

euvd pizzy_library fix: 1.3.9.26250

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Pizzy Library is a software component published by MIA Technology Inc., and the affected CPE (cpe:2.3:a:mia_technology_inc.:pizzy_library) confirms versions in the 1.x.x.26250 build range are vulnerable. The root cause is CWE-799 (Improper Control of Interaction Frequency), meaning the library does not enforce sufficient rate limiting, throttling, or quotas on repeated operations. Without such controls, an attacker can submit operations faster than the system can safely process them, exhausting CPU, memory, connection pools, or downstream resources - the classic 'flooding' precondition referenced in the description.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (TR-CERT) PRIMARY 7.1 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
vuln.today AI 7.1 HIGH

Flooding requires only a low-privilege authenticated session over the network with no user interaction; impact is high availability loss with minor integrity side effects and no confidentiality exposure.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (TR-CERT).

CVSS VectorVendor: TR-CERT

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
High

Lifecycle Timeline

1
Patch available
Jun 15, 2026 - 16:01 EUVD

DescriptionCVE.org

Improper Control of Interaction Frequency vulnerability in MIA Technology Inc. Pizzy Library allows Flooding.

This issue affects Pizzy Library: from 1.0.0.26250 before 1.3.9.26250.

Executive ViewAI

Why It Matters

MIA Technology's Pizzy Library versions 1.0.0.26250 through 1.3.9.26250 contain a resource flooding vulnerability enabling authenticated users to degrade service availability and compromise data integrity in network-exposed deployments. With a CVSS score of 7.1 and no vendor patch available, affected organizations face sustained operational risk requiring immediate compensating controls or version migration. No public exploit has been identified to date, but the absence of vendor remediation demands proactive mitigation.

Business Impact: High
Compensating Controls

No vendor-released patch identified at time of analysis. Implement: (1) rate limiting and request throttling per endpoint, (2) network segmentation limiting authentication sources, (3) real-time monitoring for resource exhaustion and abnormal request frequency patterns, (4) strict credential controls with rotation schedules, and (5) expedited testing and deployment to library versions confirmed outside affected range.

Threat Intelligence Overview

EPSS Score
0.2%
Top 90% exploitable
Social Media
1
Sightings
Data Quality
5 sources
Confidence: Medium

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 0.2%
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
No
Human Impact
High
Technical Impact
Partial

Priority Score

36
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +36
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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