Nezha Monitoring: OAuth2 Redirect URL — Host Header Injection

Description The getRedirectURL function in oauth2.go:22-29 constructs the OAuth2 callback URL by concatenating the request's Host header with a fixed path, with zero validation of the Host header: go func getRedirectURLc gin.Context string scheme := "http://" referer := c.Request.Referer if...

GHSA-X6FG-52VR-HJ4W Nezha Monitoring: Authenticated users can claim the dashboard Host through NAT and preempt all dashboard routing

Summary An authenticated non-admin user who owns any server can create or update a NAT profile whose domain is equal to the dashboard's own HTTP Host for example, dashboard.example:8008. The dashboard's top-level HTTP/gRPC multiplexer checks NATShared.GetNATConfigByDomainr.Host before dispatching...

EUVD-2026-36599

Nezha Monitoring: Authenticated users can claim the dashboard Host through NAT and preempt all dashboard routing...

Nezha Monitoring: Authenticated users can claim the dashboard Host through NAT and preempt all dashboard routing

Summary An authenticated non-admin user who owns any server can create or update a NAT profile whose domain is equal to the dashboard's own HTTP Host for example, dashboard.example:8008. The dashboard's top-level HTTP/gRPC multiplexer checks NATShared.GetNATConfigByDomainr.Host before dispatching...

ex_aws_sns: Trusted-attacker `SigningCertURL` permits complete SNS signature bypass

Summary ExAws.SNS.verifymessage/1 fetches the signing certificate from the SigningCertURL field of the incoming SNS message without validating that the URL uses HTTPS or that its host is an AWS-owned SNS certificate domain. An unauthenticated attacker who can POST to any endpoint that calls...

CVE-2026-45807

Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.43 and 1.3.19, several Kestra API endpoints accept a kestra:// URI from the client and pass it through StorageInterface.parentTraversalGuard before reading the underlying file from the local storage backend. The guard onl...

EUVD-2026-31689

Hackney has SSRF allowlist bypass in hackneyurl:normalize/2 via percent-encoded host...

MAL-2026-6543 Malicious code in express-initial (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector a8d292a4664135ed1869f907d62fb6472839ab54a59aedb2f3a88022a0c70095 package.json declares "postinstall": "node index.js", so npm install express-initial automatically runs the package's main script. index.js is heavil...

MAL-2026-6539 Malicious code in db-query-log (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 4928f7d380b79104d997e7666603726873158508c38d2c75a90c7529dd196be3 The package presents itself as a database query helper but index.js defines a method queryDBConnect that base64-decodes a hardcoded URL pointing to...

GHSA-V2JF-442R-6MJH nebula-mesh: Signed-poll nonce LRU is in-memory and bounded; replay survives restart + eviction

internal/api/pop/nonce.go:25,40,86 + internal/api/server.go:38 — the signed-poll nonce cache is an in-process LRU sized at 65,536 entries. internal/api/updates.go:31 sets pollClockSkew = 5 time.Minute as the replay window. Affected All released versions through v0.3.0 that have shipped the ADR 00...

CVE-2026-45807

Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.43 and 1.3.19, several Kestra API endpoints accept a kestra:// URI from the client and pass it through StorageInterface.parentTraversalGuard before reading the underlying file from the local storage backend. The guard onl...

GHSA-RHQ6-9RGH-V45C Pterodactyl Wings: Chmod operation can be used to change permissions of files outside of the server container

In wings/internal/ufs/fsunix.go line 92-94, this function is defined and is used to change permissions of files in the server: go func fs UnixFS fchmodatop string, dirfd int, name string, mode FileMode error return ensurePathErrorunix.Fchmodatdirfd, name, uint32mode, 0, op, name This call to the...

CVE-2026-47220

A flaw was found in Envoy. A remote attacker can exploit this vulnerability by sending a request with a missing host header when the %REQUESTEDSERVERNAMEX:Y% is used in the log format and host-related options, such as HOSTFIRST or SNIFIRST, are specified. This can lead to a crash of the Envoy...

CVE-2026-53306

In the Linux kernel, the following vulnerability has been resolved: tty: hvciucv: fix off-by-one in number of supported devices MAXHVCIUCVLINES == HVCALLOCTTYADAPTERS == 8. This is the number of entries in: static struct hvciucvprivate hvciucvtableMAXHVCIUCVLINES; Sometimes hvciucvtable is limite...

CVE-2026-47220

Envoy is an open source edge and service proxy designed for cloud-native applications. From 1.37.0 until 1.37.5 and 1.38.3, when the %REQUESTEDSERVERNAMEX:Y% is used in log format and host related options is specified, like HOSTFIRST, SNIFIRST, it's possible to crash Envoy when the specified host...

GHSA-V6MJ-8PF4-HHW4 Incus has an argument injection in backup compression algorithm leading to AFW and ACE

Summary Improper validation of user-provided backup compression algorithm leads to argument injection in the constructed command line. This leads to an arbitrary file write on the host, possibly leading to arbitrary command execution. Details Incus validates compressionalgorithm by parsing it int...

External Control of File Name or Path

Overview Affected versions of this package are vulnerable to External Control of File Name or Path via a crafted symlink in the templates directory during image import or instance backup restoration processes. An attacker can access and modify arbitrary files on the host system, potentially leadi...

External Control of File Name or Path

Overview Affected versions of this package are vulnerable to External Control of File Name or Path via a crafted symlink in the templates directory during image import or instance backup restoration processes. An attacker can access and modify arbitrary files on the host system, potentially leadi...

Incus has arbitrary file read+write on host via templates/ symlink in malicious image

Summary A specially crafted image or instance backup can be used to read or create/write arbitrary files on the host; possibly leading to arbitrary command execution. Details For container images, internal/server/storage/utils.go calls archive.UnpackimageFile, destPath, .... The tar extraction pa...

GHSA-VXP5-584Q-C479 Incus has arbitrary file read+write on host via templates/ symlink in malicious image

Summary A specially crafted image or instance backup can be used to read or create/write arbitrary files on the host; possibly leading to arbitrary command execution. Details For container images, internal/server/storage/utils.go calls archive.UnpackimageFile, destPath, .... The tar extraction pa...