CVE Explorer
CVE-2026-45687
Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to 8.5.0, 8.4.1, 8.3.3, 8.2.3, 8.1.4, 8.0.5, 7.13.7, and 7.10.11, Rocket.Chat's sendFileMessage DDP method passes the entire attacker-supplied file object into Uploads.updateFileComplete, which merges it directly into a MongoDB $set update via Object.assign. There is no allow-list of writable fields. An attacker can therefore rewrite any column on their own upload record, notably store and the store-specific
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"Rocket.Chat","vendor":"RocketChat","versions":[{"status":"affected","version":">= 8.5.0-rc.0, < 8.5.0"},{"status":"affected","version":">= 8.4.0-rc.0, < 8.4.1"},{"status":"affected","version":">= 8.3.0-rc.0, < 8.3.3"},{"status":"affected","version":">= 8.2.0-rc.0, < 8.2.3"},{"status":"affected","version":">= 8.1.0-rc.0, < 8.1.4"},{"status":"affected","version":">= 8.0.0-rc.0, < 8.0.5"},{"status":"affected","version":">= 7.11.0-rc.0, < 7.13.7"},{"status":"affected","version":"< 7.10.11"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:544a508a37c0f09a586e028f82e6b8a73ba5e7ae7df8ee11ddac440611923526 · sha256:87752b19c3b8f65e… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:544a508a37c0f09a586e028f82e6b8a73ba5e7ae7df8ee11ddac440611923526 · sha256:87752b19c3b8f65e… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-915","description":"CWE-915: Improperly Controlled Modification of Dynamically-Determined Object Attributes","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:544a508a37c0f09a586e028f82e6b8a73ba5e7ae7df8ee11ddac440611923526 · sha256:87752b19c3b8f65e… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"name":"https://github.com/RocketChat/Rocket.Chat/security/advisories/GHSA-fhc2-x8cp-c5ch","tags":["x_refsource_CONFIRM"],"url":"https://github.com/RocketChat/Rocket.Chat/security/advisories/GHSA-fhc2-x8cp-c5ch"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:544a508a37c0f09a586e028f82e6b8a73ba5e7ae7df8ee11ddac440611923526 · sha256:87752b19c3b8f65e… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.