CVE Explorer
CVE-2026-45677
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 SAML integration does not verify the signature on inbound LogoutRequest messages. An unauthenticated remote attacker who knows a target user's SAML NameID - which major identity providers (Okta, Google Workspace, Microsoft Entra ID, JumpCloud) expose as the user's email address - can craft a valid-looking unsigned LogoutRequest a
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:v2:922f9e83f5d91d204f77731487d9735b1a5868d2cba3d8e453cb9a51e418e47e · sha256:20465f4d3a569ce2… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:922f9e83f5d91d204f77731487d9735b1a5868d2cba3d8e453cb9a51e418e47e · sha256:20465f4d3a569ce2… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-862","description":"CWE-862: Missing Authorization","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:922f9e83f5d91d204f77731487d9735b1a5868d2cba3d8e453cb9a51e418e47e · sha256:20465f4d3a569ce2… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"name":"https://github.com/RocketChat/Rocket.Chat/security/advisories/GHSA-pw6f-q8ww-vqfq","tags":["x_refsource_CONFIRM"],"url":"https://github.com/RocketChat/Rocket.Chat/security/advisories/GHSA-pw6f-q8ww-vqfq"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:922f9e83f5d91d204f77731487d9735b1a5868d2cba3d8e453cb9a51e418e47e · sha256:20465f4d3a569ce2… · /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.