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Kitploit
Kitploit
•added 2026/10/02 2:48 p.m.•14 views

about-hmac

HMACについて Flaskを使用したPythonでの基本的なHMAC(ハッシュベースのメッセージ認証コード)の実装例。 HMACとは?! ハッシュベースのメッセージ認証コード(HMAC)は、サーバーとクライアントにそれぞれ、その特定のサーバーとその特定のクライアントのみが知る秘密鍵を提供します。クライアントは、リクエストデータを秘密鍵でハッシュ化し、それをリクエストの一部として送信することで、リクエストごとに一意のHMAC(ハッシュ)を作成します。HMACがメッセージ認証コード(MAC)よりも安全な理由は、鍵とメッセージが別々のステップでハッシュ化されることにあります。 例 1...

6.2AI score
SaveExploits0
Kitploit
Kitploit
•added 2026/10/02 2:09 p.m.•15 views

malwarescanner

MalwareScanner ハッシュ比較による非常に基本的なマルウェアスキャナー インシデント対応時に必要になることがあります。 対応中に新規または不審なファイルを発見した場合、それらのファイルがシステム内のどこに存在するかを確認したいことがあります。そのような場合にこのツールが必要になるかもしれません。これはデモバージョンであり、完全ではありません。コードを変更・修正して、自分用にカスタマイズする必要があります。 変更が必要な点や追加機能のご要望があればお知らせください。 役に立った場合は「スター」を押してください。改善を続ける励みになります。 特徴...

6.2AI score
SaveExploits0References2
Kitploit
Kitploit
•added 2026/10/02 11:34 a.m.•15 views

CVE-2024-28000

CVE-2024-28000 - LiteSpeed Cache 権限昇格 PoC !WARNING このリポジトリは教育および研究目的のみ を意図しています。 提供された PoC は、あなたが所有するシステム 、またはテストに対する明示的な許可 を得たシステムでのみ使用してください。 このリポジトリ内のいかなる素材への不正アクセス 、悪用、または誤用は違法 です。 著者は、不適切な使用に起因するいかなる損害、誤用、または法的結果についても一切の責任を負いません 。 概要 CVE-2024-28000 は、WordPress 用 LiteSpeed Cache...

9.8CVSS8.6AI score0.68266EPSS
SaveExploits8
Kitploit
Kitploit
•added 2026/10/01 6:11 p.m.•20 views

SigFlip

これは何ですか? SigFlip は、オーセンティコード署名付き PE ファイル exe、dll、sys など を、既存のオーセンティコード署名に影響を与えたり壊したりしない方法でパッチ適用するためのツールです。言い換えれば、ファイルの署名、整合性チェック、または PE ファイルの機能を壊すことなく、データ シェルコードなど を埋め込むことで PE ファイルのチェックサムやハッシュを変更できます。 SigInject は、シェルコードを暗号化して PE ファイルの WINCERTIFICATE 証明書テーブルに注入します。暗号化キーは、基本的な BOF/C/C ローダー SigLoade...

6AI score
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AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•9 views

Astra Linux – Vulnerability in Linux, Linux 5.10

A issue was discovered in the Linux kernel through version 5.16.11. The mixed IPID assignment method, combined with the hash-based IPID assignment policy, allows an off-path attacker to inject data into a victim’s TCP session or terminate that session...

5.9CVSS6.5AI score0.00672EPSS
SaveExploits0References1
attackerkb
attackerkb
•added 2026/08/05 4:04 p.m.•16 views

CVE-2026-18531

IBM Maximo Application Suite 9.2, 9.1, and 9.0 could allow a remote attacker to tamper with session data due to the use of a weak HMAC session signing secret...

5.3CVSS6AI score0.00378EPSS
SaveExploits0References2Affected Software1
NVD
NVD
•added 2026/08/05 8:16 a.m.•16 views

CVE-2026-71206

Shiori's CheckToken function internal/domains/auth.go validates only the JWT's HMAC signature and returns the embedded claims.Account object unmodified, never re-fetching the account from the database. No session store or token-revocation mechanism exists in the codebase...

8.3CVSS0.00374EPSS
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OSV
OSV
•added 2026/08/04 11:34 a.m.•11 views

PYSEC-2026-3620 Thumbor has HMAC validation bypass via multiple .replace() calls when removing URL signature

HMAC validation bypass via multiple .replace calls when removing URL signature Summary Thumbor’s HMAC validation can be bypassed due to the use of Python’s .replace when removing the signature from the URL before validation. Since .replace removes all occurrences of the substring, an attacker can...

8.2CVSS5.5AI score0.00352EPSS
SaveExploits0References7
OSV
OSV
•added 2026/07/31 7:17 p.m.•10 views

UBUNTU-CVE-2026-53501

Thumbor is an open-source photo thumbnail service by globo.com. Prior to 7.8.0, Thumbor’s HMAC validation can be bypassed due to the use of Python’s .replace when removing the signature from the URL before validation. Since .replace removes all occurrences of the substring, an attacker can insert...

8.2CVSS5.5AI score0.00352EPSS
SaveExploits0References5
OSV
OSV
•added 2026/07/31 6:51 p.m.•12 views

GHSA-MW3H-QJXJ-6XG9 Thumbor has HMAC validation bypass via multiple .replace() calls when removing URL signature

HMAC validation bypass via multiple .replace calls when removing URL signature Summary Thumbor’s HMAC validation can be bypassed due to the use of Python’s .replace when removing the signature from the URL before validation. Since .replace removes all occurrences of the substring, an attacker can...

8.2CVSS5.5AI score0.00352EPSS
SaveExploits0References4
Github Security Blog
Github Security Blog
•added 2026/07/31 6:51 p.m.•17 views

Thumbor has HMAC validation bypass via multiple .replace() calls when removing URL signature

HMAC validation bypass via multiple .replace calls when removing URL signature Summary Thumbor’s HMAC validation can be bypassed due to the use of Python’s .replace when removing the signature from the URL before validation. Since .replace removes all occurrences of the substring, an attacker can...

8.2CVSS6.1AI score0.00352EPSS
SaveExploits0References4Affected Software1
attackerkb
attackerkb
•added 2026/07/31 6:42 p.m.•13 views

CVE-2026-53501

Thumbor is an open-source photo thumbnail service by globo.com. Prior to 7.8.0, Thumbor’s HMAC validation can be bypassed due to the use of Python’s .replace when removing the signature from the URL before validation. Since .replace removes all occurrences of the substring, an attacker can insert...

8.2CVSS5.5AI score0.00352EPSS
SaveExploits0References4Affected Software1
EUVD
EUVD
•added 2026/07/31 6:42 p.m.•20 views

EUVD-2026-51608

Thumbor is an open-source photo thumbnail service by globo.com. Prior to 7.8.0, Thumbor’s HMAC validation can be bypassed due to the use of Python’s .replace when removing the signature from the URL before validation. Since .replace removes all occurrences of the substring, an attacker can insert...

8.2CVSS5.5AI score0.00352EPSS
SaveExploits0References3
PyPA
PyPA
•added 2026/07/23 11:41 a.m.•47 views

PraisonAI: Webhook signature verification skipped (fail-open) when secret unset, allowing forged inbound webhooks (WhatsApp & Linear bots)

The WhatsApp and Linear bot adapters verify the inbound webhook HMAC signature onlywhen a secret is configured. When the secret environment variable is unset — thedefault on a fresh install and common in development — verification is skipped entirelyand the webhook body is parsed and dispatched a...

8.6CVSS5.4AI score0.00188EPSS
SaveExploits0References5Affected Software1
Tenable Nessus
Tenable Nessus
•added 2026/07/22 12:00 a.m.•14 views

Plone < 3.1.8 MitM

The version of Plone installed on the remote host is prior to 3.1.8. It is, therefore, affected by a man-in-the-middle vulnerability. Plone uses invariant data a client username and a server secret when calculating an HMAC-SHA1 value for an authentication cookie, which makes it easier for remote...

4.3CVSS6AI score0.01139EPSS
SaveExploits0References4
SUSE CVE
SUSE CVE
•added 2026/07/21 1:17 p.m.•15 views

SUSE CVE-2026-9537

Mojo::JWT versions before 1.02 for Perl verify HMAC signatures with a non-constant-time string comparison. The decode method compares the supplied signature to the recomputed HMAC with Perl's eq operator, which stops at the first differing byte, so the comparison time varies with the number of...

5.3CVSS5.8AI score0.00322EPSS
SaveExploits0References3
Cvelist
Cvelist
•added 2026/07/20 7:47 p.m.•47 views

CVE-2026-53591 FreeScout Vulnerable to Unauthenticated Conversation Thread Injection via HMAC Length Bypass in FetchEmails

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.223, an unauthenticated attacker can inject messages into any existing support conversation by sending a single email to the helpdesk's public address with a crafted In-Reply-To header. No...

8.6CVSS0.00375EPSS
SaveExploits0References1
Vulnrichment
Vulnrichment
•added 2026/07/17 3:29 p.m.•15 views

CVE-2026-9537 Mojo::JWT versions before 1.02 for Perl verify HMAC signatures with a non-constant-time string comparison

Mojo::JWT versions before 1.02 for Perl verify HMAC signatures with a non-constant-time string comparison. The decode method compares the supplied signature to the recomputed HMAC with Perl's eq operator, which stops at the first differing byte, so the comparison time varies with the number of...

5.8AI score0.00322EPSS
SaveExploits0References1
OSV
OSV
•added 2026/07/14 9:41 p.m.•18 views

JLSEC-2026-745 Bleichenbacher padding oracle in PKCS#7 KTRI decryption

Bleichenbacher padding oracle in PKCS7 KTRI decryption. When decrypting PKCS7 EnvelopedData using RSA PKCS1 v1.5 key transport, wolfSSL returned distinguishable error codes depending on whether RSA padding validation failed versus whether the decrypted content was malformed. An attacker able to...

6.5CVSS5.8AI score0.00243EPSS
SaveExploits0References5
EUVD
EUVD
•added 2026/07/14 9:32 p.m.•71 views

EUVD-2026-44516

ruby-jwt is a Ruby implementation of the RFC 7519 OAuth JSON Web Token standard. Prior to 2.10.3 and 3.2.0, JWT.decodetoken, '', true, algorithm: 'HS256' accepts an attacker-forged token because OpenSSL::HMAC.digest'SHA256', '', payload returns a valid digest under an empty key and no empty-key...

9.1CVSS7AI score0.00364EPSS
SaveExploits0References5
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