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CVE-2026-41696 Spring CVE debrief

CVE-2026-41696 is a vulnerability in Spring Data MongoDB that allows an attacker to break out of intended regular expression quoting by supplying a crafted string. This issue affects Spring Data MongoDB versions 5.0.0 through 5.0.5, 4.5.0 through 4.5.11, 4.4.0 through 4.4.14, 4.3.0 through 4.3.16, 4.2.0 through 4.2.15, 4.1.0 through 4.1.14, 4.0.0 through 4.0.15, and 3.4.0 through 3.4.19.

Vendor
Spring
Product
Spring Data MongoDB
CVSS
MEDIUM 5.9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-10
Original CVE updated
2026-07-17
Advisory published
2026-06-10
Advisory updated
2026-07-17

Who should care

Users of affected Spring Data MongoDB versions should update to a patched version to prevent potential attacks.

Technical summary

The vulnerability is caused by insufficient validation of regex parameter binding in repository query methods annotated with @Query. An attacker can exploit this by supplying a crafted string to break out of the intended regular expression quoting.

Defensive priority

MEDIUM

Recommended defensive actions

  • Update to a patched version of Spring Data MongoDB.

Evidence notes

The CVE-2026-41696 vulnerability has a CVSS score of 5.9 and is classified as MEDIUM severity.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-41696 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-41696

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-41696 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-41696

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.