CVE-2026-4148
- Source
- https://cve.org/CVERecord?id=CVE-2026-4148
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-4148.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-4148
- Aliases
- Downstream
- Published
- 2026-03-17T15:53:57.874Z
- Modified
- 2026-08-12T16:24:13.702762Z
- Severity
-
- 8.7 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVSS Calculator
- Summary
- ExpressionContext use-after-free in classic engine $lookup and $graphLookup aggregation operators
- Details
-
A use-after-free vulnerability can be triggered in sharded clusters by an authenticated user with the read role who issues a specially crafted $lookup or $graphLookup aggregation pipeline.
- Database specific
{ "unresolved_ranges": [ { "source": "AFFECTED_FIELD", "extracted_events": [ { "introduced": "8.2" }, { "fixed": "8.2.6" }, { "introduced": "8.0" }, { "fixed": "8.0.20" }, { "introduced": "7.0" }, { "fixed": "7.0.31" } ] } ], "cwe_ids": [ "CWE-416" ], "cna_assigner": "mongodb", "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/4xxx/CVE-2026-4148.json" }- References
Affected packages
Git / github.com/mongodb/mongo
Affected ranges
- Type
- GIT
- Repo
- https://github.com/mongodb/mongo
- Events
-
IntroducedFixedIntroducedFixedIntroducedFixedIntroducedLast affected
- Database specific
-
Show details
{ "source": [ "CPE_RANGE", "CPE_STRING" ], "cpe": [ "cpe:2.3:a:mongodb:mongodb:*:*:*:*:-:*:*:*", "cpe:2.3:a:mongodb:mongodb:8.3.0:alpha0:*:*:-:*:*:*", "cpe:2.3:a:mongodb:mongodb:8.3.0:alpha1:*:*:-:*:*:*", "cpe:2.3:a:mongodb:mongodb:8.3.0:alpha2:*:*:-:*:*:*", "cpe:2.3:a:mongodb:mongodb:8.3.0:alpha3:*:*:-:*:*:*", "cpe:2.3:a:mongodb:mongodb:8.3.0:rc1:*:*:-:*:*:*" ], "extracted_events": [ { "introduced": "7.0.0" }, { "fixed": "7.0.31" }, { "introduced": "8.0.0" }, { "fixed": "8.0.20" }, { "introduced": "8.2.0" }, { "fixed": "8.2.6" }, { "introduced": "8.3.0-alpha0" }, { "last_affected": "8.3.0-alpha0" }, { "introduced": "8.3.0-alpha1" }, { "last_affected": "8.3.0-alpha1" }, { "introduced": "8.3.0-alpha2" }, { "last_affected": "8.3.0-alpha2" }, { "introduced": "8.3.0-alpha3" }, { "last_affected": "8.3.0-alpha3" }, { "introduced": "8.3.0-rc1" }, { "last_affected": "8.3.0-rc1" } ] }
Affected versions
8.*
8.3.0-alpha0
8.3.0-alpha1
8.3.0-alpha2
8.3.0-alpha3
8.3.0-rc1
r7.*
r7.0.0
r7.0.1
r7.0.1-rc0
r7.0.10
r7.0.10-rc0
r7.0.11
r7.0.11-rc0
r7.0.11-rc1
r7.0.11-rc2
r7.0.12
r7.0.12-rc0
r7.0.12-rc1
r7.0.13
r7.0.13-rc0
r7.0.13-rc1
r7.0.14
r7.0.14-rc0
r7.0.15
r7.0.15-rc0
r7.0.15-rc1
r7.0.16
r7.0.16-rc0
r7.0.16-rc1
r7.0.17
r7.0.18
r7.0.2
r7.0.2-rc0
r7.0.2-rc1
r7.0.2-rc2
r7.0.21
r7.0.21-alpha0
r7.0.21-rc0
r7.0.22
r7.0.22-rc0
r7.0.23
r7.0.23-rc0
r7.0.23-rc1
r7.0.24
r7.0.24-rc0
r7.0.25-alpha0
r7.0.26
r7.0.26-rc0
r7.0.27
r7.0.27-alpha0
r7.0.27-rc0
r7.0.3
r7.0.3-rc0
r7.0.3-rc1
r7.0.4
r7.0.4-rc0
r7.0.5
r7.0.5-rc0
r7.0.6
r7.0.6-rc0
r7.0.7
r7.0.7-rc0
r7.0.7-rc1
r7.0.7-rc2
r7.0.8
r7.0.8-rc0
r7.0.9
r7.0.9-rc0
r7.0.9-rc1
r8.*
r8.0.0
r8.0.1
r8.0.1-rc0
r8.0.10
r8.0.10-rc0
r8.0.12
r8.0.12-rc0
r8.0.13
r8.0.13-rc0
r8.0.13-rc1
r8.0.13-rc2
r8.0.14
r8.0.14-rc0
r8.0.14-rc1
r8.0.16
r8.0.16-rc0
r8.0.16-rc1
r8.0.17-alpha0
r8.0.2
r8.0.3
r8.0.4
r8.0.4-rc0
r8.0.5
r8.0.5-rc0
r8.0.5-rc1
r8.0.5-rc2
r8.0.6
r8.2.0
r8.2.1
r8.2.1-rc0
r8.2.1-rc1
r8.2.2
r8.2.2-rc0
r8.2.3-alpha0
r8.2.4-alpha0
r8.2.4-alpha1
r8.3.0-alpha0
r8.3.0-alpha1
r8.3.0-alpha2
r8.3.0-alpha3
r8.3.0-rc0
r8.3.0-rc1
Database specific
source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-4148.json"
vanir_signatures
[
{
"signature_type": "Line",
"digest": {
"threshold": 0.9,
"line_hashes": [
"212916051933611333336019566765871154533",
"127072531193682496647404363037825275968",
"82618083542634382065142722552922596523",
"4324924340243736427572372707787432252"
]
},
"target": {
"file": "src/mongo/util/md5.cpp"
},
"source": "https://github.com/mongodb/mongo/commit/32a732a9b646200050bedd569d0e18fda534f92c",
"signature_version": "v1",
"id": "CVE-2026-4148-074a18d5",
"deprecated": false
},
{
"signature_type": "Line",
"digest": {
"threshold": 0.9,
"line_hashes": [
"243049191849363753065600341015684019120",
"312131738472726656287569917628189519640",
"269011836439409954144825691130893251414",
"261701652252642430706775392390697022443"
]
},
"target": {
"file": "src/mongo/util/md5.cpp"
},
"source": "https://github.com/mongodb/mongo/commit/05009bb976757189fd9bff4cebc5d803a6737a95",
"signature_version": "v1",
"id": "CVE-2026-4148-1abd9456",
"deprecated": false
},
{
"signature_type": "Function",
"digest": {
"function_hash": "22528191371751663195701634984920870034",
"length": 244.0
},
"target": {
"function": "md5_init",
"file": "src/mongo/util/md5.cpp"
},
"source": "https://github.com/mongodb/mongo/commit/05009bb976757189fd9bff4cebc5d803a6737a95",
"signature_version": "v1",
"id": "CVE-2026-4148-3141a725",
"deprecated": false
},
{
"signature_type": "Function",
"digest": {
"function_hash": "253896680426164393151009864932457722232",
"length": 57.0
},
"target": {
"function": "md5_init_state",
"file": "src/mongo/util/md5.cpp"
},
"source": "https://github.com/mongodb/mongo/commit/32a732a9b646200050bedd569d0e18fda534f92c",
"signature_version": "v1",
"id": "CVE-2026-4148-de078695",
"deprecated": false
}
]
vanir_signatures_modified
"2026-08-12T16:24:13Z"