CVE-2026-84968
CVE-2026-84968 is a medium-severity vulnerability in Mongodb Php Driver with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- CVSS v4: 6.9
- EPSS exploit prediction: 0% (9th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-125
- Affected product: Mongodb Php Driver
- Published:
- Last modified:
Description
An out-of-bounds read in the BSON decoding component of the MongoDB PHP driver may allow an unauthenticated party who supplies specially formed input to have a small amount of adjacent process memory copied into an error message that is returned to application code. This may result in unintended disclosure of limited memory contents.
Frequently asked questions
- What is CVE-2026-84968?
- An out-of-bounds read in the BSON decoding component of the MongoDB PHP driver may allow an unauthenticated party who supplies specially formed input to have a small amount of adjacent process memory copied into an error message that is returned to application code. This may result in unintended disclosure of limited memory contents.
- How severe is CVE-2026-84968?
- CVE-2026-84968 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
- Is CVE-2026-84968 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-84968?
- CVE-2026-84968 affects Mongodb Php Driver. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-84968?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2026-84968 published?
- CVE-2026-84968 was published on 2026-09-03 and last updated on 2026-09-10.
References
Affected products (1)
- cpe:2.3:a:mongodb:php_driver:*:*:*:*:*:mongodb:*:*
More vulnerabilities in Mongodb Php Driver
- CVE-2026-81525 — High (CVSS 8.1): The MongoDB client library for PHP does not sufficiently sanitize special elements in application-supplied namespace…
- CVE-2024-7553 — High (CVSS 7.3): Incorrect validation of files loaded from a local untrusted directory may allow local privilege escalation if the…
- CVE-2025-12119 — Medium (CVSS 6.8): A mongoc_bulk_operation_t may read invalid memory if large options are passed.
- CVE-2026-6811 — Medium (CVSS 5.9): Stack exhaustion vulnerability in the MongoDB PHP driver can cause application crashes when processing deeply nested…
- CVE-2021-32050 — Medium (CVSS 4.2): Some MongoDB Drivers may erroneously publish events containing authentication-related data to a command listener…
All CVEs affecting Mongodb Php Driver →
Other CWE-125 (Out-of-bounds Read) vulnerabilities
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- CVE-2021-41556 — Critical (CVSS 10.0): sqclass.cpp in Squirrel through 2.2.5 and 3.x through 3.1 allows an out-of-bounds read (in the core interpreter) that…
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- CVE-2017-14451 — Critical (CVSS 10.0): An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A…
- CVE-2013-0767 — Critical (CVSS 10.0): The nsSVGPathElement::GetPathLengthScale function in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and…