---
title: "CVE-2026-81821: CVE-2026-81821"
description: "The vulnerability, if exploited, could allow a miscreant with read access to PIMBoards project files to decrypt and view sensitive information."
url: https://panop.io/threat-heartbeat/CVE-2026-81821/
---

# CVE-2026-81821 CVE-2026-81821

The vulnerability, if exploited, could allow a miscreant with read access to PIMBoards project files to decrypt and view sensitive information.

CVSS base score 8.4 /10

High

CISA KEV

Not listed

Public exploit

None known

EPSS

0.15% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-81821)

## Details

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

Published

8 September 2026

Updated

15 October 2026

Weakness

[CWE-321](https://cwe.mitre.org/data/definitions/321.html)

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-81821](https://nvd.nist.gov/vuln/detail/CVE-2026-81821)
- [https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin\_AVEVA-2026-006.pdf](https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AVEVA-2026-006.pdf)
- [https://github.com/cisagov/CSAF/blob/develop/csaf\_files/OT/white/2026/icsa-26-253-01.json](https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-253-01.json)
- [https://www.cisa.gov/news-events/ics-advisories/icsa-26-253-01](https://www.cisa.gov/news-events/ics-advisories/icsa-26-253-01)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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