Vulnerability · Published Oct 12, 2026 · Assigned by ProgressSoftware
CVE-2026-85973Cleartext transmission in Progress MarkLogic Server cluster join operations
High 7.4
In plain English
A high-severity security flaw in MarkLogic Server from Progress Software Corporation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 4% of all known vulnerabilities).
Severity (CVSS 3.1)7.4High
Exploit odds (30 days)0.1%top 96.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Progress MarkLogic Server 12.x releases before 12.1.0 may use cleartext transport for certain cluster-management communications. A network-positioned attacker could intercept or modify information transmitted through an affected connection.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Progress Software Corporation | MarkLogic Server | 12.0.0 – before 12.1.0 |
Weakness: CWE-319 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N