CVE-2026-7557: Progress Software MarkLogic Server · Improper Verification of Cryptographic Signature
Affects Progress Software MarkLogic ServerSource CVE Database V5
Not known to be exploited · CVSS 9.1 Critical : upgrade to 12.0.3 or 11.3.6 as a priority.
Data as of 3 Nov 2026, 22:58 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 40% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 12.0.3, 11.3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 5 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 3 Nov 2026.
What to do
Upgrade Progress Software MarkLogic Server to 12.0.3 or 11.3.6.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Progress Software CorporationMarkLogic Server | Affected
| Fixed in
|
| Progress Software CorporationMarkLogic Server | Affected
| Fixed in
|
AI-suggested
If you cannot patch yet, deployments with SAML single sign-on enabled should consider disabling this feature or applying any recommended temporary mitigations from Progress Software Corporation.
Description
CVE-2026-7557 is a critical vulnerability in Progress Software Corporation's MarkLogic Server affecting versions 11.0.0 and 12.0.0. It involves improper verification of cryptographic signatures in the SAML authentication module, allowing unauthenticated remote attackers to bypass authentication and impersonate any user, including administrators. This vulnerability only affects deployments with SAML single sign-on enabled.