CVE catalog

CVE-2026-88032

A use-after-free in the reactive client-side…

[CVE catalog]

A use-after-free in the reactive client-side encryption component of the MongoDB Java Driver can cause native resources to be freed while an affected encrypted operation is still using them when the operation is cancelled. A party able to cause such an operation to be cancelled may cause the hosting application process to terminate. Reaching the issue requires an affected reactive encryption configuration that retrieves KMS credentials on demand.

Severity
High · CVSS 8.2CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
Updated
Source
[NVD] · [CVE record]
EPSS
0.26% · Oct 27, 2026

Projects and upstream resources

Reported versions and fixes

Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.

Version impact has not been established. The original provider fields are retained below.

Provider details and historical evidence
Original provider fields
{
  "package_releases": [
    {
      "name": "mongo-java-driver",
      "status": "vulnerable",
      "release": "sid",
      "version": "3.6.3-2.1"
    },
    {
      "name": "mongo-java-driver",
      "status": "vulnerable",
      "release": "forky",
      "version": "3.6.3-2.1"
    },
    {
      "name": "mongo-java-driver",
      "status": "vulnerable",
      "release": "trixie",
      "version": "3.6.3-2"
    },
    {
      "name": "mongo-java-driver",
      "status": "vulnerable",
      "release": "bookworm",
      "version": "3.6.3-2"
    }
  ],
  "fixed_versions": [
    {
      "bug": 1147406,
      "name": "mongo-java-driver",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "not yet assigned",
      "fixed_version": ""
    },
    {
      "bug": 1147406,
      "name": "mongo-java-driver",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "not yet assigned",
      "fixed_version": ""
    },
    {
      "bug": 1147406,
      "name": "mongo-java-driver",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "not yet assigned",
      "fixed_version": ""
    },
    {
      "bug": 1147406,
      "name": "mongo-java-driver",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "not yet assigned",
      "fixed_version": ""
    }
  ],
  "distribution_packages": [
    {
      "name": "java_driver",
      "ranges": [
        {
          "fixed": "5.11.1",
          "introduced": "4.2.0",
          "last_affected": "",
          "start_excluding": ""
        }
      ],
      "ecosystem": "cpe",
      "fixed_version": "5.11.1",
      "provider_record_id": "NVD-CVE-2026-88032"
    }
  ]
}

[Debian bug #1147406]

Publisher notes

[trixie] mongo-java-driver: Minor issue [bookworm] mongo-java-driver: Minor issue, DoS

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

  • [libmongodb-java]Unknown

    Source package: [mongo-java-driver]

    Details (2)

    • 3.6.3-2 · all · bookworm

      Affected

      nvd · mongo-java-driver · debian · bookworm; nvd · mongo-java-driver · debian · 12

    • 3.6.3-2 · all · bookworm

      Affected

      nvd · mongo-java-driver · debian · bookworm; nvd · mongo-java-driver · debian · 12

[Debian 13 (Trixie)]

  • [libmongodb-java]Unknown

    Source package: [mongo-java-driver]

    Details (2)

    • 3.6.3-2 · all · trixie

      Affected

      nvd · mongo-java-driver · debian · 13

    • 3.6.3-2 · all · trixie

      Affected

      nvd · mongo-java-driver · debian · 13

Observed:

References

[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]