CVE-2026-40344 MinIO has an Unauthenticated Object Write via Missing Signature Verification in Unsigned-Trailer Uploads

MinIO is a high-performance object storage system. Starting in RELEASE.2023-05-18T00-05-36Z and prior to RELEASE.2026-04-11T03-20-12Z, an authentication bypass vulnerability in MinIO's Snowball auto-extract handler PutObjectExtractHandler allows any user who knows a valid access key to write...

CVE-2026-40344 MinIO has an Unauthenticated Object Write via Missing Signature Verification in Unsigned-Trailer Uploads

MinIO is a high-performance object storage system. Starting in RELEASE.2023-05-18T00-05-36Z and prior to RELEASE.2026-04-11T03-20-12Z, an authentication bypass vulnerability in MinIO's Snowball auto-extract handler PutObjectExtractHandler allows any user who knows a valid access key to write...

CVE-2026-40344

MinIO is a high-performance object storage system. Starting in RELEASE.2023-05-18T00-05-36Z and prior to RELEASE.2026-04-11T03-20-12Z, an authentication bypass vulnerability in MinIO's Snowball auto-extract handler PutObjectExtractHandler allows any user who knows a valid access key to write...

CVE-2026-40344

MinIO is affected by an authentication bypass in the Snowball auto-extract handler (PutObjectExtractHandler) prior to RELEASE.2026-04-11T03:20:12Z. An attacker with a valid access key (including the default minioadmin or any key with WRITE on a bucket) can write arbitrary objects to any bucket wi...

CVE-2026-41313: Excessive Iteration

pypdf is a free and open-source pure-python PDF library. An attacker who uses a vulnerability present in versions prior to 6.10.2 can craft a PDF which leads to long runtimes. This requires loading a PDF with a large trailer /Size value in incremental mode. This has been fixed in pypdf 6.10.2. As...

MinIO 授权问题漏洞

MinIO is an open-source object storage server developed by the American company MinIO. This product supports the creation of infrastructures for machine learning, analysis, and application data workloads. There is an authorization vulnerability in MinIO, which stems from a authentication bypass i...

Excessive Iteration

Overview PyPDF2 is an A pure-python PDF library capable of splitting, merging, cropping, and transforming PDF files Affected versions of this package are vulnerable to Excessive Iteration in the incremental mode for PDF processing. An attacker can cause excessive resource consumption and...

pypdf: Possible long runtimes for wrong size values in incremental mode

Impact An attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires loading a PDF with a large trailer /Size value in incremental mode. Patches This has been fixed in pypdf==6.10.2. Workarounds If you cannot upgrade yet, consider applying the changes from PR...

Excessive Iteration

Overview pypdf is an A pure-python PDF library capable of splitting, merging, cropping, and transforming PDF files Affected versions of this package are vulnerable to Excessive Iteration in the incremental mode for PDF processing. An attacker can cause excessive resource consumption and...

GHSA-4PXV-J86V-MHCW pypdf: Possible long runtimes for wrong size values in incremental mode

Impact An attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires loading a PDF with a large trailer /Size value in incremental mode. Patches This has been fixed in pypdf==6.10.2. Workarounds If you cannot upgrade yet, consider applying the changes from PR...

PT-2026-34566

Name of the Vulnerable Software and Affected Versions pypdf versions prior to 6.10.2 Description A flaw in the pure-python PDF library allows an attacker to craft a PDF that causes long runtimes. This occurs when loading a PDF in incremental mode that contains a large /Size value in the trailer...

MinIO has an Unauthenticated Object Write via Query-String Credential Signature Bypass in Unsigned-Trailer Uploads

Impact What kind of vulnerability is it? Who is impacted? An authentication bypass vulnerability in MinIO's STREAMING-UNSIGNED-PAYLOAD-TRAILER code path allows any user who knows a valid access key to write arbitrary objects to any bucket without knowing the secret key or providing a valid...

GHSA-HV4R-MVR4-25VW MinIO has an Unauthenticated Object Write via Query-String Credential Signature Bypass in Unsigned-Trailer Uploads

Impact What kind of vulnerability is it? Who is impacted? An authentication bypass vulnerability in MinIO's STREAMING-UNSIGNED-PAYLOAD-TRAILER code path allows any user who knows a valid access key to write arbitrary objects to any bucket without knowing the secret key or providing a valid...

MinIO has an Unauthenticated Object Write via Missing Signature Verification in Unsigned-Trailer Uploads

Impact Two authentication bypass vulnerabilities in MinIO's STREAMING-UNSIGNED-PAYLOAD-TRAILER code path allow any user who knows a valid access key to write arbitrary objects to any bucket without knowing the secret key or providing a valid cryptographic signature. Any MinIO deployment is...

GHSA-9C4Q-HQ6P-C237 MinIO has an Unauthenticated Object Write via Missing Signature Verification in Unsigned-Trailer Uploads

Impact Two authentication bypass vulnerabilities in MinIO's STREAMING-UNSIGNED-PAYLOAD-TRAILER code path allow any user who knows a valid access key to write arbitrary objects to any bucket without knowing the secret key or providing a valid cryptographic signature. Any MinIO deployment is...

PT-2026-35117

Impact What kind of vulnerability is it? Who is impacted? An authentication bypass vulnerability in MinIO's STREAMING-UNSIGNED-PAYLOAD-TRAILER code path allows any user who knows a valid access key to write arbitrary objects to any bucket without knowing the secret key or providing a valid...

PT-2026-34234

Name of the Vulnerable Software and Affected Versions MinIO versions RELEASE.2023-05-18T00-05-36Z through RELEASE.2026-04-11T03-20-12Z Description An authentication bypass exists in the STREAMING-UNSIGNED-PAYLOAD-TRAILER code path. An attacker possessing a valid access key can write arbitrary...

curl: Integer Overflow/Signedness Mismatch in Printf Precision for HTTP/2 Trailer Headers

BUG IN https://raw.githubusercontent.com/curl/curl/07a9b89fedaec60bdbc254f23f66149b31d2f8da/lib/http2.c c ifstream-bodystarted / This is a trailer / H2BUGFinfofdatas, "h2 trailer: %.s: %.s", namelen, name, valuelen, value; result = Curldynaddf&stream-trailerrecvbuf, "%.s: %.s\r\n", namelen, name,...

PT-2026-34231

Name of the Vulnerable Software and Affected Versions MinIO versions RELEASE.2023-05-18T00-05-36Z through RELEASE.2026-04-11T03-20-12Z Description An authentication bypass exists in the Snowball auto-extract handler PutObjectExtractHandler. This issue allows a user with a valid access key to writ...

SUSE CVE-2026-22815

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, insufficient restrictions in header/trailer handling could cause uncapped memory usage. This issue has been patched in version 3.13.4...