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CVE-2026-16138: progress sharefile storage zones controller Deserialization of Untrusted Data

CVSS: 8.0v3.1HighAnalyzed
Published 17-08-2026Last modified 18-08-2026
Open JSON

Vulnerability summary

CVE-2026-16138 is a high (CVSS 8.0) Deserialization of Untrusted Data vulnerability in progress sharefile storage zones controller. EPSS estimates a 0.83% chance of exploitation in the next 30 days, higher than 56.8% of scored vulnerabilities.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.0/10
010
High · v3.1 (CVE.org)
EPSS score
0.83%
0%100%
Low · +0.57 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 17-08-2026
    PublishedVulnerability first disclosed.
  2. 18-08-2026
    Last modifiedVulnerability information updated.

Description

In Progress ShareFile Storage Zones Controller v5.12.5 and below versions, unsafe deserialization of untrusted file metadata can allow a user with write access to a Network share to execute arbitrary code on the Storage Zones Controller host.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.83%

Chance of exploitation in the next 30 days

Percentile

57%

Versus all other CVEs

30-day change

+0.57 pp

From 0.26% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.83%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Progress1 product

1 vendor · 1 product

References

1 links