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CVE-2026-54638
high
CVSS 7.5
Vulnerability in github.com/gotd/td (CVE-2026-54638)
Summary
vulnerability in github.com/gotd/td (CVE-2026-54638). Risk of unauthorized operations or information disclosure. Exploitable via ``dataLen``. Mitigation: upgrade to `0.145.1` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-54638** has been found in github.com/gotd/td.
Attackers can target a specific entry point like ``dataLen`` over the network to misuse the product.
Risk of unauthorized operations or information disclosure. CVSS score: 7.5/10.
What to do: upgrade github.com/gotd/td to **0.145.1** or later.
If unsure, ask your IT team or search "github.com/gotd/td CVE-2026-54638" on the vendor's site.
CVE-2026-54638 (github.com/gotd/td) — CWE-770 / CVSS v3 7.5
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Attack surface: `dataLen`
Patched: `0.145.1` — apply immediately
Workaround: Upgrade to v0.145.1 or later.
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-770) exists in github.com/gotd/td. Attackers reach the vulnerable code path via ``dataLen`` without authentication.
📍 Affected scope
github.com/gotd/td — . Attack surface: `dataLen`.
🔥 Severity
Severity: High (CVSS 7.5/10). Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **0.145.1**.
🛡️ Workaround
Workaround: Upgrade to v0.145.1 or later.
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r 'github.com/gotd/td' .` 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 'github.com/gotd/td' . | 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 `github.com/gotd/td` 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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5Apply temporary workaround mitigate
Upgrade to v0.145.1 or later.パッチが適用されるまでの応急処置として、Upgrade to v0.145.1 or later. を実施。回避策の副作用 (機能低下) を確認した上で。
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6Apply patch patch
Upgrade github.com/gotd/td to 0.145.1ステージング環境で 0.145.1 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
go
github.com/gotd/td
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.145.1"}]}]