CVE-2026-81823Network attack vector

Information disclosure via unauthorized GET API reads

Published Sep 8, 2026 · Updated Sep 8, 2026

Missing authorization in PIMBoards in AVEVA Pipeline Integrity Monitor 2025 SP1 P1 and earlier allows remote attackers to read protected data. A subset of PIMBoards GET API methods processes unauthenticated requests without enforcing the authorization required for PIMBoards users. Network access to a node hosting the PIMBoards API is sufficient; exploitation discloses read-only information and cannot perform write operations.

CVSS severity6.9
Medium
EPSS probability0.22%
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 PIMBoards in AVEVA Pipeline Integrity Monitor 2025 SP1 P1 and earlier allows remote attackers to read protected data. A subset of PIMBoards GET API methods processes unauthenticated requests without enforcing the authorization required for PIMBoards users. Network access to a node hosting the PIMBoards API is sufficient; exploitation discloses read-only information and cannot perform write operations.

The record

CVE
CVE-2026-81823
Published
Sep 8, 2026
Updated
Sep 8, 2026
Vendor
AVEVA
Product
AVEVA Pipeline Integrity Monitor
Classifications
CWE-862
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 8, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 8, 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=0 <=Versions 2025 SP1 P1 (build 7.1.9580.8513)

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

AVEVA · AVEVA Pipeline Integrity Monitorversion=0 <=Versions 2025 SP1 P1 (build 7.1.9580.8513)

Published CVSS scores

5.3CISA ICS-CERTCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
6.9AVEVACVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA: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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-862Missing Authorization

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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