SUSE SLED15 / SLES15 Security Update : python-urllib3 (SUSE-SU-2026:2486-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has a package installed that is affected by a vulnerability as referenced in the SUSE-SU-2026:2486-1 advisory. This update for python-urllib3 fixes the following issue - CVE-2026-44431: sensitive information disclosure due to...

CVE-2026-53014

A flaw was found in the Linux kernel. When the kernel's traffic control TC subsystem processes network packets for redirection across different types of network devices, it can incorrectly handle packet headers. This can lead to corruption of network packet data. A local attacker could potentiall...

urllib3: urllib3: Information disclosure via cross-origin redirects forwarding sensitive headers

A flaw was found in urllib3, an HTTP client library for Python. When using the low-level API via ProxyManager.connectionfromurl.urlopen with assertsamehost=False, cross-origin redirects can still forward sensitive headers. This could allow a remote attacker to gain unauthorized access to sensitiv...

GO-2026-5690 opentelemetry-collector-contrib: githubreceiver silently ignores configured required_headers authentication in github.com/open-telemetry/opentelemetry-collector-contrib/receiver/githubreceiver

opentelemetry-collector-contrib: githubreceiver silently ignores configured requiredheaders authentication in github.com/open-telemetry/opentelemetry-collector-contrib/receiver/githubreceiver...

GO-2026-5698 nebula-mesh: Web UI and API responses lack security headers (CSP, X-Frame-Options, HSTS, etc.) in github.com/juev/nebula-mesh

nebula-mesh: Web UI and API responses lack security headers CSP, X-Frame-Options, HSTS, etc. in github.com/juev/nebula-mesh...

GO-2026-5695 Gogs has an Authentication Bypass via Unvalidated Reverse Proxy Headers in gogs.io/gogs

Gogs has an Authentication Bypass via Unvalidated Reverse Proxy Headers in gogs.io/gogs. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive reports from vulnerability...

GO-2026-5574 OpenBao's Inline Auth Incorrectly Redacted Headers in github.com/openbao/openbao

OpenBao's Inline Auth Incorrectly Redacted Headers in github.com/openbao/openbao. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive reports from vulnerability scanners,...

GO-2026-5455 Fleet has a rate limiting bypass via untrusted client IP headers in github.com/fleetdm/fleet

Fleet has a rate limiting bypass via untrusted client IP headers in github.com/fleetdm/fleet...

CVE-2026-42055

A flaw was found in NGINX. When NGINX is configured to proxy HTTP/2 traffic using the ngxhttpproxyv2module or ngxhttpgrpcmodule with specific settings, a remote, unauthenticated attacker can send specially crafted large headers. This can trigger a heap-based buffer overflow, leading to a restart ...

Improper Authentication

Overview Affected versions of this package are vulnerable to Improper Authentication via the proxy authentication process. An attacker can gain unauthorized access and impersonate any user, including administrative accounts, by sending a forged HTTP header directly to the server. Additionally,...

CVE-2026-56789

RTKLIB through 2.4.3 contains a heap buffer overflow vulnerability in the readrnxobsb function in src/rinex.c that allows attackers to trigger memory corruption by failing to clamp satellite count values from RINEX epoch headers. Attackers can craft malicious RINEX files declaring more than 64...

CVE-2026-52845

A flaw was found in Caddy, an extensible server platform. A remote attacker can exploit a vulnerability in the forwardauth copyheaders functionality. This occurs because Caddy normalizes HTTP headers into Common Gateway Interface CGI variables by replacing hyphens with underscores, allowing a...

CVE-2026-56789

RTKLIB through 2.4.3 contains a heap buffer overflow vulnerability in the readrnxobsb function in src/rinex.c that allows attackers to trigger memory corruption by failing to clamp satellite count values from RINEX epoch headers. Attackers can craft malicious RINEX files declaring more than 64...

mime: golang: Golang MIME: Denial of Service via maliciously-crafted MIME header

A flaw was found in the Golang MIME Multipurpose Internet Mail Extensions package. A remote attacker could exploit this vulnerability by sending a maliciously-crafted MIME header containing many invalid encoded-words. This could lead to excessive CPU consumption, resulting in a Denial of Service...

CVE-2026-42389 Reject more queries with invalid header values

This fix provides extra hardening for the 5.4.x branch by doing extra validation of incoming answers from authoritative servers...

Cache Bypass

Undici is vulnerable to Cache Bypass. The vulnerability is due to Undici's cache interceptor incorrectly classifying some responses as cacheable, where the upstream Cache-Control header uses whitespace-padded qualified private or no-cache field names, and attackers can exploit this by serving a...

CVE-2026-53176

In the Linux kernel, the following vulnerability has been resolved: IB/isert: Reject login PDUs shorter than ISERHEADERSLEN In drivers/infiniband/ulp/isert/ibisert.c, isertloginrecvdone computes the login request payload length as wc-bytelen minus ISERHEADERSLEN with no lower bound, and loginreql...

UBUNTU-CVE-2026-53176

In the Linux kernel, the following vulnerability has been resolved: IB/isert: Reject login PDUs shorter than ISERHEADERSLEN In drivers/infiniband/ulp/isert/ibisert.c, isertloginrecvdone computes the login request payload length as wc-bytelen minus ISERHEADERSLEN with no lower bound, and loginreql...

CVE-2026-53176

In the Linux kernel, the following vulnerability has been resolved: IB/isert: Reject login PDUs shorter than ISERHEADERSLEN In drivers/infiniband/ulp/isert/ibisert.c, isertloginrecvdone computes the login request payload length as wc-bytelen minus ISERHEADERSLEN with no lower bound, and loginreql...

CVE-2026-53176

CVE-2026-53176 affects the Linux kernel iSER (IB/isert) login handling in ib_isert.c. A remote iSER initiator could send a login PDU shorter than ISER_HEADERS_LEN (76), causing an integer underflow in isert_login_recv_done() when computing login_req_len, leading to a negative length used in a mem...