CVE-2026-65499Network attack vector

Unauthenticated access to protected plugin functions

Published Jul 23, 2026 · Updated Jul 23, 2026

Missing authorization in PeproDev Ultimate Invoice 2.2.6 and earlier allows remote attackers to access protected plugin functions. Patchstack has not disclosed the affected function, request parameter, or authorization check that is absent. No authentication or user interaction is required, but the public record does not identify which data can be read or changed through the exposed operation.

CVSS severity6.5
Medium
EPSS probability0.27%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authorization in PeproDev Ultimate Invoice 2.2.6 and earlier allows remote attackers to access protected plugin functions. Patchstack has not disclosed the affected function, request parameter, or authorization check that is absent. No authentication or user interaction is required, but the public record does not identify which data can be read or changed through the exposed operation.

The record

CVE
CVE-2026-65499
Published
Jul 23, 2026
Updated
Jul 23, 2026
Vendor
Pepro Development Group
Product
PeproDev Ultimate Invoice
Classifications
CWE-862, CAPEC-180, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 23, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 23, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=n/a <=2.2.6

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Pepro Development Group · PeproDev Ultimate Invoiceversion=n/a <=2.2.6

Published CVSS scores

6.5PatchstackCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-862Missing Authorization
CAPEC-180Exploiting Incorrectly Configured Access Control Security Levels
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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