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CVE-2026-7557

Progress Marklogic Server authentication bypass

9.1 CRITICALEPSS 0.46%
  1. Published5 Aug 2026

Description

An improper verification of cryptographic signature vulnerability in the SAML authentication module of Progress MarkLogic Server before 11.3.6 and 12.0.3 allows an unauthenticated remote attacker to bypass authentication and impersonate any user, including administrators. This vulnerability affects deployments with SAML single sign-on enabled.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

Progress Marklogic Server≥ 12.0.0 < 12.0.3 · < 11.3.6

Remediation

Fixed in
Progress Marklogic Server≥ 12.0.3

References

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Frequently asked

Is CVE-2026-7557 being actively exploited?

CVE-2026-7557 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.46%.

How severe is CVE-2026-7557?

CVE-2026-7557 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 0.46% probability of exploitation.

Which products are affected by CVE-2026-7557?

Affected products include Progress Marklogic Server.

How do I fix CVE-2026-7557?

Upgrade affected software to a fixed version, for example Progress Marklogic Server 12.0.3 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-7557 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.