Vulnerability · Published Sep 28, 2026 · Assigned by VulDB

CVE-2026-101083PMWeb encryptionhelper.dll information disclosure

Medium 5.3

In plain English

A medium-severity information exposure in PMWeb. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)0.3%top 75.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A security vulnerability has been detected in PMWeb v7.x/v8.x/v2025.x. Impacted is an unknown function in the library encryptionhelper.dll. Such manipulation leads to information disclosure. The attack may be launched remotely. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

Vendor	Product	Versions
n/a	PMWeb	v7.v8.v2025.*

Weakness: CWE-200, CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:X/RL:X/RC:R

References

VDB-410955 | PMWeb encryptionhelper.dll information disclosure vdb-entry
VDB-410955 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
CVE-2026-101083 | CVE Analysis and Report third-party-advisory
Submit #929822 | PMWeb v7.x, v8.x, v2025.x Use of Hard-coded Cryptographic Key third-party-advisory