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CVE-2026-45057
Vulnerability in matrix-sdk-ui (CVE-2026-45057)
Summary
vulnerability in matrix-sdk-ui (CVE-2026-45057). Data can be tampered with by attackers. Mitigation: upgrade to `0.16.1` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-45057** has been found in matrix-sdk-ui.
Data can be tampered with by attackers. CVSS score: ?/10.
What to do: upgrade matrix-sdk-ui to **0.16.1** or later.
If unsure, ask your IT team or search "matrix-sdk-ui CVE-2026-45057" on the vendor's site.
CVE-2026-45057 (matrix-sdk-ui) — CWE-345 /
Attack vector: remote (network-reachable) / no user interaction
Patched: `0.16.1` — apply immediately
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
❓ What is the problem
**A vulnerability** (CWE-345) exists in matrix-sdk-ui.
📍 Affected scope
matrix-sdk-ui — .
🔥 Severity
Severity: ?. Data can be tampered with by attackers
🔧 How to fix
Update to **0.16.1**.
🛡️ Workaround
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r 'matrix-sdk-ui' .` against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response Actions (7 steps)
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
grep -r 'matrix-sdk-ui' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で `matrix-sdk-ui` を grep し、稼働しているサービス・バージョンを把握する。
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6Apply patch patch
Upgrade matrix-sdk-ui to 0.16.1ステージング環境で 0.16.1 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスと、Step 3 で見つけた異常検知の続報チェックを含めること。
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7Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番では Step 3 と同じログクエリでアラート再発が無いか継続監視。
Affected packages
rust
matrix-sdk-ui
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.16.1"}]}]
crates.io
matrix-sdk-ui
[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.16.1"}]}]
References
- package https://crates.io/crates/matrix-sdk-ui
- package https://github.com/matrix-org/matrix-rust-sdk
- web https://github.com/matrix-org/matrix-rust-sdk/security/advisories/GHSA-h97m-27fx-42rx
- web https://github.com/matrix-org/matrix-rust-sdk/pull/6454
- web https://github.com/matrix-org/matrix-rust-sdk/releases/tag/matrix-sdk-0.16.1
- web https://rustsec.org/advisories/RUSTSEC-2026-0158.html
- web https://github.com/advisories/GHSA-h97m-27fx-42rx