Skip to main content
VulnerabilityPublished Updated

CVE-2026-7557: Progress Software MarkLogic Server · Improper Verification of Cryptographic Signature

Affects Progress Software MarkLogic ServerSource CVE Database V5

0
Compare

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

CVSS 3.1 base score
9.1Critical
How severe the flaw is on the 0–10 CVSS scale.
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:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 5 Aug 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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

ProductAffectedFixed in
Progress Software CorporationMarkLogic ServerAffected
  • >=12.0.0 <12.0.3
Fixed in
  • 12.0.3
Progress Software CorporationMarkLogic ServerAffected
  • >=11.0.0 <11.3.6
Fixed in
  • 11.3.6

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.

References

Community reviews

Loading reviews…