6.5

CVE-2026-23937: zabbix Observable Discrepancy

CVSS: 6.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2026-23937DEBIAN-CVE-2026-23937
Published 18-08-2026Last modified 18-08-2026
Open JSON

Vulnerability summary

CVE-2026-23937 is a medium (CVSS 6.5) Observable Discrepancy vulnerability in zabbix. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 17.8% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.27%
0%100%
Low · -0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

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

Description

The Zabbix API host.get action can be exploited by authenticated users to extract a host's PSK key leading to potential loss of data integrity.

CVSS metrics

6 scores · 4 sources · 2 versions

EPSS trend

Probability

0.27%

Chance of exploitation in the next 30 days

Percentile

18%

Versus all other CVEs

30-day change

-0.01 pp

From 0.28% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.27%

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

Debian1 product
  • zabbixAll versions (No fix recorded) | < 1:7.0.29+dfsg-1
Ubuntu1 product
  • zabbixAll versions (No fix recorded)
Zabbix1 product
  • zabbix≥ 6.0.0, ≤ 6.0.46 | ≥ 7.0.0, ≤ 7.0.27 | ≥ 7.4.0, ≤ 7.4.11 | ≥ 6.0.0, < 6.0.47 | ≥ 7.0.0, < 7.0.28 | ≥ 7.4.0, < 7.4.12

3 vendors · 3 products

References

4 links