CVE-2026-45057

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Source

https://cve.org/CVERecord?id=CVE-2026-45057

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-45057.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-45057

Aliases

Published

2026-09-11T21:12:17Z

Modified

2026-11-04T02:47:34Z

Severity

4.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N CVSS Calculator

Summary

matrix-sdk-ui: Incomplete edit validation

Details

matrix-sdk-ui provides GUI-centric utilities on top of matrix-rust-sdk. The message edit validation logic in the matrix-sdk-ui crate prior to 0.17.0 is missing a check: when replacing an encrypted event, the replacement event itself is not required to be encrypted. This enables a malicious homeserver administrators (or actors with equivalent power) to impersonate or spoof messages as if they were sent by a victim user. matrix-sdk-ui 0.17.0 fixes the message edit validation logic to align with the algorithm for replacement events[^1] described in the Matrix specification. No known workarounds are available.

Database specific

{
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-345"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45057.json"
}

References

Affected packages

Git / github.com/matrix-org/matrix-rust-sdk

Affected ranges

Type

GIT

Repo

https://github.com/matrix-org/matrix-rust-sdk

Events

Introduced

Fixed

5fae3ff34ed17f1f416803d0de49ba1ed326f175

Database specific

Show details

{
    "extracted_events": [
        {
            "range": [
                {
                    "introduced": "0"
                },
                {
                    "fixed": "0.16.1"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StringRangeExpression"
        },
        {
            "original_tag": "matrix-sdk-0.16.1",
            "range": [
                {
                    "fixed": "5fae3ff34ed17f1f416803d0de49ba1ed326f175"
                }
            ],
            "source": "REFERENCES_TAG"
        }
    ]
}

Affected versions

ruma-0.*

ruma-0.0.1

ruma-0.0.2

ruma-0.0.3

ruma-0.1.0

ruma-0.1.1

ruma-0.1.2

ruma-0.2.0

ruma-0.3.0

ruma-0.4.0

ruma-0.5.0

ruma-0.6.0

ruma-0.6.1

ruma-0.6.2

ruma-0.7.0

ruma-0.7.1

ruma-0.7.2

ruma-0.7.3

ruma-0.8.0

ruma-0.8.1

ruma-api-0.*

ruma-api-0.17.0

ruma-api-0.17.0-alpha.1

ruma-api-0.17.0-alpha.2

ruma-api-0.17.0-alpha.4

ruma-api-0.17.1

ruma-api-0.17.2

ruma-api-0.18.1

ruma-api-0.18.2

ruma-api-0.18.3

ruma-api-0.18.4

ruma-api-0.18.5

ruma-api-0.19.0

ruma-api-0.20.0

ruma-appservice-api-0.*

ruma-appservice-api-0.2.0

ruma-appservice-api-0.2.0-alpha.1

ruma-appservice-api-0.2.0-alpha.2

ruma-appservice-api-0.2.0-alpha.3

ruma-appservice-api-0.3.0

ruma-appservice-api-0.4.0

ruma-appservice-api-0.5.0

ruma-appservice-api-0.6.0

ruma-appservice-api-0.7.0

ruma-appservice-api-0.8.0

ruma-appservice-api-0.8.1

ruma-client-0.*

ruma-client-0.10.0

ruma-client-0.11.0

ruma-client-0.5.0

ruma-client-0.5.0-alpha.1

ruma-client-0.5.0-alpha.2

ruma-client-0.6.0

ruma-client-0.7.0

ruma-client-0.8.0

ruma-client-0.9.0

ruma-client-api-0.*

ruma-client-api-0.10.0

ruma-client-api-0.10.0-alpha.1

ruma-client-api-0.10.0-alpha.2

ruma-client-api-0.10.0-alpha.3

ruma-client-api-0.10.1

ruma-client-api-0.10.2

ruma-client-api-0.11.0

ruma-client-api-0.11.2

ruma-client-api-0.12.0

ruma-client-api-0.12.1

ruma-client-api-0.12.2

ruma-client-api-0.13.0

ruma-client-api-0.14.0

ruma-client-api-0.15.0

ruma-client-api-0.16.0

ruma-common-0.*

ruma-common-0.10.0

ruma-common-0.10.1

ruma-common-0.10.2

ruma-common-0.10.3

ruma-common-0.11.0

ruma-common-0.11.1

ruma-common-0.11.2

ruma-common-0.11.3

ruma-common-0.2.0

ruma-common-0.3.0

ruma-common-0.3.0-alpha.1

ruma-common-0.3.1

ruma-common-0.4.0

ruma-common-0.5.0

ruma-common-0.5.1

ruma-common-0.5.2

ruma-common-0.5.3

ruma-common-0.5.4

ruma-common-0.6.0

ruma-common-0.7.0

ruma-common-0.8.0

ruma-common-0.9.0

ruma-common-0.9.1

ruma-common-0.9.2

ruma-events-0.*

ruma-events-0.22.0

ruma-events-0.22.0-alpha.1

ruma-events-0.22.0-alpha.2

ruma-events-0.22.0-alpha.3

ruma-events-0.22.1

ruma-events-0.22.2

ruma-events-0.23.0

ruma-events-0.23.1

ruma-events-0.23.2

ruma-events-0.23.3

ruma-events-0.24.1

ruma-events-0.24.2

ruma-events-0.24.3

ruma-events-0.24.4

ruma-events-0.24.5

ruma-events-0.25.0

ruma-events-0.26.0

ruma-federation-api-0.*

ruma-federation-api-0.0.3

ruma-federation-api-0.1.0

ruma-federation-api-0.1.0-alpha.1

ruma-federation-api-0.1.0-alpha.2

ruma-federation-api-0.2.0

ruma-federation-api-0.3.0

ruma-federation-api-0.3.1

ruma-federation-api-0.4.0

ruma-federation-api-0.5.0

ruma-federation-api-0.6.0

ruma-federation-api-0.7.0

ruma-identifiers-0.*

ruma-identifiers-0.17.0

ruma-identifiers-0.17.2

ruma-identifiers-0.18.0

ruma-identifiers-0.18.0-alpha.1

ruma-identifiers-0.18.1

ruma-identifiers-0.19.0

ruma-identifiers-0.19.1

ruma-identifiers-0.19.2

ruma-identifiers-0.19.3

ruma-identifiers-0.19.4

ruma-identifiers-0.20.0

ruma-identifiers-0.21.0

ruma-identifiers-0.22.0

ruma-identity-service-api-0.*

ruma-identity-service-api-0.0.1

ruma-identity-service-api-0.1.0

ruma-identity-service-api-0.1.0-alpha.1

ruma-identity-service-api-0.2.0

ruma-identity-service-api-0.3.0

ruma-identity-service-api-0.4.0

ruma-identity-service-api-0.5.0

ruma-identity-service-api-0.6.0

ruma-identity-service-api-0.7.0

ruma-push-gateway-api-0.*

ruma-push-gateway-api-0.0.1

ruma-push-gateway-api-0.1.0

ruma-push-gateway-api-0.1.0-alpha.1

ruma-push-gateway-api-0.2.0

ruma-push-gateway-api-0.3.0

ruma-push-gateway-api-0.4.0

ruma-push-gateway-api-0.5.0

ruma-push-gateway-api-0.6.0

ruma-push-gateway-api-0.7.0

ruma-serde-0.*

ruma-serde-0.2.3

ruma-serde-0.3.0

ruma-serde-0.3.1

ruma-serde-0.4.0

ruma-serde-0.4.1

ruma-serde-0.4.2

ruma-serde-0.5.0

ruma-serde-0.6.0

ruma-server-util-0.*

ruma-server-util-0.1.0

ruma-signatures-0.*

ruma-signatures-0.10.0

ruma-signatures-0.11.0

ruma-signatures-0.12.0

ruma-signatures-0.13.0

ruma-signatures-0.6.0

ruma-signatures-0.6.0-alpha.1

ruma-signatures-0.7.0

ruma-signatures-0.7.1

ruma-signatures-0.7.2

ruma-signatures-0.8.0

ruma-signatures-0.9.0

ruma-state-res-0.*

ruma-state-res-0.1.0

ruma-state-res-0.2.0

ruma-state-res-0.3.0

ruma-state-res-0.4.0

ruma-state-res-0.4.1

ruma-state-res-0.5.0

ruma-state-res-0.6.0

ruma-state-res-0.7.0

ruma-state-res-0.8.0

ruma-state-res-0.9.0

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-45057.json"