CVE catalog
CVE-2026-81524
A weakness in the MongoDB C Driver allows special elements in caller-supplied database and collection name components to pass without sanitization when the driver composes the target namespace for an
- Severity
- Medium · CVSS 5.3
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/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
- 0.27% · Oct 23, 2026
A weakness in the MongoDB C Driver allows special elements in caller-supplied database and collection name components to pass without sanitization when the driver composes the target namespace for an operation. An application that incorporates untrusted input into these name components can have operations directed at a resource other than the one intended.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | mongo-c-driver | sid | 2.5.7-1 | fixed |
| Debian | mongo-c-driver | forky | 2.5.6-1 | fixed |
| Debian | mongo-c-driver | trixie | 1.30.4-1+deb13u3 | fixed |
| Debian | mongo-c-driver | bookworm | 1.23.1-1+deb12u3 | vulnerable |
| Cpe | c_driver | Not reported | 2.5.1 | fixed |
| Opensuse | mongo-c-driver | tumbleweed | 2.5.1-1.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | mongo-c-driver | source | sid | 2.5.1-1 | not yet assigned | Not reported | Not reported |
| Debian | mongo-c-driver | source | forky | 2.5.1-1 | not yet assigned | Not reported | Not reported |
| Debian | mongo-c-driver | source | trixie | 1.30.4-1+deb13u3 | not yet assigned | Not reported | Not reported |
| Debian | mongo-c-driver | source | bookworm | (unfixed) | not yet assigned | Not reported | Not reported |
| Cpe | c_driver | cpe | Not reported | 2.5.1 | Not reported | NVD-CVE-2026-81524 | Not reported |
| Opensuse | mongo-c-driver | rpm | tumbleweed | 2.5.1-1.1 | Not reported | OPENSUSE-SU-2026:11671-1 | Not reported |
Notes
[bookworm] mongo-c-driver: Minor issue
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libbson-1.0-0]Affected
Source package: [mongo-c-driver]
Details (2)
1.23.1-1+deb12u3· amd64 · bookwormAffected
nvd · mongo-c-driver · debian · bookworm; nvd · mongo-c-driver · debian · 12
1.23.1-1+deb12u3· arm64 · bookwormAffected
nvd · mongo-c-driver · debian · bookworm; nvd · mongo-c-driver · debian · 12
- [libbson-dev]Affected
Source package: [mongo-c-driver]
Details (2)
1.23.1-1+deb12u3· amd64 · bookwormAffected
nvd · mongo-c-driver · debian · bookworm; nvd · mongo-c-driver · debian · 12
1.23.1-1+deb12u3· arm64 · bookwormAffected
nvd · mongo-c-driver · debian · bookworm; nvd · mongo-c-driver · debian · 12
- [libbson-doc]Affected
Source package: [mongo-c-driver]
Details (2)
1.23.1-1+deb12u3· all · bookwormAffected
nvd · mongo-c-driver · debian · bookworm; nvd · mongo-c-driver · debian · 12
1.23.1-1+deb12u3· all · bookwormAffected
nvd · mongo-c-driver · debian · bookworm; nvd · mongo-c-driver · debian · 12
- [libmongoc-1.0-0]Affected
Source package: [mongo-c-driver]
Details (2)
1.23.1-1+deb12u3· amd64 · bookwormAffected
nvd · mongo-c-driver · debian · bookworm; nvd · mongo-c-driver · debian · 12
1.23.1-1+deb12u3· arm64 · bookwormAffected
nvd · mongo-c-driver · debian · bookworm; nvd · mongo-c-driver · debian · 12
- [libmongoc-dev]Affected
Source package: [mongo-c-driver]
Details (2)
1.23.1-1+deb12u3· amd64 · bookwormAffected
nvd · mongo-c-driver · debian · bookworm; nvd · mongo-c-driver · debian · 12
1.23.1-1+deb12u3· arm64 · bookwormAffected
nvd · mongo-c-driver · debian · bookworm; nvd · mongo-c-driver · debian · 12
- [libmongoc-doc]Affected
Source package: [mongo-c-driver]
Details (2)
1.23.1-1+deb12u3· all · bookwormAffected
nvd · mongo-c-driver · debian · bookworm; nvd · mongo-c-driver · debian · 12
1.23.1-1+deb12u3· all · bookwormAffected
nvd · mongo-c-driver · debian · bookworm; nvd · mongo-c-driver · debian · 12
[Debian 13 (Trixie)]
- [libbson-1.0-0t64]Affected
Source package: [mongo-c-driver]
Details (2)
1.30.4-1+deb13u2· amd64 · trixieAffected · Fixed:
1.30.4-1+deb13u3nvd · mongo-c-driver · debian · 13
1.30.4-1+deb13u2· arm64 · trixieAffected · Fixed:
1.30.4-1+deb13u3nvd · mongo-c-driver · debian · 13
- [libbson-dev]Affected
Source package: [mongo-c-driver]
Details (2)
1.30.4-1+deb13u2· amd64 · trixieAffected · Fixed:
1.30.4-1+deb13u3nvd · mongo-c-driver · debian · 13
1.30.4-1+deb13u2· arm64 · trixieAffected · Fixed:
1.30.4-1+deb13u3nvd · mongo-c-driver · debian · 13
- [libbson-doc]Affected
Source package: [mongo-c-driver]
Details (2)
1.30.4-1+deb13u2· all · trixieAffected · Fixed:
1.30.4-1+deb13u3nvd · mongo-c-driver · debian · 13
1.30.4-1+deb13u2· all · trixieAffected · Fixed:
1.30.4-1+deb13u3nvd · mongo-c-driver · debian · 13
- [libmongoc-1.0-0t64]Affected
Source package: [mongo-c-driver]
Details (2)
1.30.4-1+deb13u2· amd64 · trixieAffected · Fixed:
1.30.4-1+deb13u3nvd · mongo-c-driver · debian · 13
1.30.4-1+deb13u2· arm64 · trixieAffected · Fixed:
1.30.4-1+deb13u3nvd · mongo-c-driver · debian · 13
- [libmongoc-dev]Affected
Source package: [mongo-c-driver]
Details (2)
1.30.4-1+deb13u2· amd64 · trixieAffected · Fixed:
1.30.4-1+deb13u3nvd · mongo-c-driver · debian · 13
1.30.4-1+deb13u2· arm64 · trixieAffected · Fixed:
1.30.4-1+deb13u3nvd · mongo-c-driver · debian · 13
- [libmongoc-doc]Affected
Source package: [mongo-c-driver]
Details (2)
1.30.4-1+deb13u2· all · trixieAffected · Fixed:
1.30.4-1+deb13u3nvd · mongo-c-driver · debian · 13
1.30.4-1+deb13u2· all · trixieAffected · Fixed:
1.30.4-1+deb13u3nvd · mongo-c-driver · debian · 13
[openSUSE Tumbleweed]
- [bson-devel]Unknown
Source package: [mongo-c-driver]
Details (1)
2.4.0-1.1· x86_64 · tumbleweedUnknown · Fixed:
2.5.1-1.1Version impact unknown
nvd · mongo-c-driver · opensuse · tumbleweed
- [libbson2]Unknown
Source package: [mongo-c-driver]
Details (1)
2.4.0-1.1· x86_64 · tumbleweedUnknown · Fixed:
2.5.1-1.1Version impact unknown
nvd · mongo-c-driver · opensuse · tumbleweed
- [libmongoc2]Unknown
Source package: [mongo-c-driver]
Details (1)
2.4.0-1.1· x86_64 · tumbleweedUnknown · Fixed:
2.5.1-1.1Version impact unknown
nvd · mongo-c-driver · opensuse · tumbleweed
- [mongo-c-driver-devel]Unknown
Source package: [mongo-c-driver]
Details (1)
2.4.0-1.1· x86_64 · tumbleweedUnknown · Fixed:
2.5.1-1.1Version impact unknown
nvd · mongo-c-driver · opensuse · tumbleweed
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2026_11671-1.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-81524]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-81524]
- [https://osv.dev/vulnerability/openSUSE-SU-2026:11671-1]
- [https://security-tracker.debian.org/tracker/CVE-2026-81524]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-3066.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]