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Permalink CVE-2026-47703

6.3 MEDIUM

CVSS version (CVSS): 4.0
Attack Vector (AV): Network (N)
Attack Complexity (AC): High (H)
Attack Requirement (AT): Present (P)
Privileges Required (PR): None (N)
User Interaction (UI): None (N)
Vulnerable System Impact Confidentiality (VC): Low (L)
Vulnerable System Impact Integrity (VI): Low (L)
Vulnerable System Impact Availability (VA): None (N)
Subsequent System Impact Confidentiality (SC): None (N)
Subsequent System Impact Integrity (SI): None (N)
Subsequent System Impact Availability (SA): None (N)
Modified Attack Vector (MAV): Network (N)
Modified Attack Complexity (MAC): High (H)
Modified Attack Requirement (MAT): Present (P)
Modified Privileges Required (MPR): None (N)
Modified User Interaction (MUI): None (N)
Modified Vulnerable System Impact Confidentiality (MVC): Low (L)
Modified Vulnerable System Impact Integrity (MVI): Low (L)
Modified Vulnerable System Impact Availability (MVA): None (N)
Modified Subsequent System Impact Confidentiality (MSC): Negligible (N)
Modified Subsequent System Impact Integrity (MSI): Negligible (N)
Modified Subsequent System Impact Availability (MSA): Negligible (N)
Safety (S): Not Defined (X)
Automatable (AU): Not Defined (X)
Recovery (R): Not Defined (X)
Value Density (V): Not Defined (X)
Vulnerability Response Effort (RE): Not Defined (X)
Provider Urgency (U): Not Defined (X)
Confidentiality Req. (CR): Not Defined (X)
Integrity Req. (IR): Not Defined (X)
Availability Req. (AR): Not Defined (X)
Exploit Maturity (E): Not Defined (X)

created 2 weeks, 2 days ago Activity log

Created suggestion 2 weeks, 2 days ago

AdGuard Home: DoQ-to-UDP State Reduction and Source-Port Oracle

AdGuard Home is a network-wide software for blocking ads and tracking. Prior to 0.107.75, AdGuard Home's client-triggered DoQ forwarding path to a udp:// upstream reduced backend UDP DNS state by producing dns_id=0 or txid=0 and exposed a quoted-port ICMP source-port oracle, weakening DNS response matching for forwarded queries. This issue is fixed in version 0.107.75.

References

https://github.com/AdguardTeam/AdGuardHome/security/advisories/GHSA-xgx4-4h9w-53pv exploitx_refsource_CONFIRM

Affected products

AdGuardHome

==< 0.107.75

Matching in nixpkgs

pkgs.adguardhome

Network-wide ads & trackers blocking DNS server

nixos-unstable 0.107.77
- nixpkgs-unstable 0.107.77
- nixos-unstable-small 0.107.77
nixos-26.05 0.107.77
- nixos-26.05-small 0.107.77
- nixpkgs-26.05-darwin 0.107.77

pkgs.python313Packages.adguardhome

Python client for the AdGuard Home API

nixos-unstable 0.8.1
- nixpkgs-unstable 0.8.1
- nixos-unstable-small 0.8.1
nixos-26.05 0.8.1
- nixos-26.05-small 0.8.1
- nixpkgs-26.05-darwin 0.8.1

pkgs.python314Packages.adguardhome

Python client for the AdGuard Home API

nixos-unstable 0.8.1
- nixpkgs-unstable 0.8.1
- nixos-unstable-small 0.8.1
nixos-26.05 0.8.1
- nixos-26.05-small 0.8.1
- nixpkgs-26.05-darwin 0.8.1

Package maintainers

@Golbinex Kryštof Baksa <baksa@pm.me>
@rhoriguchi Ryan Horiguchi <ryan.horiguchi@gmail.com>
@numkem Sebastien Bariteau <numkem@numkem.org>
@iagocq Iago Manoel Brito
@JamieMagee Jamie Magee <jamie.magee@gmail.com>

Published

Permalink CVE-2026-41448

9.2 CRITICAL

CVSS version (CVSS): 4.0
Attack Vector (AV): Network (N)
Attack Complexity (AC): Low (L)
Attack Requirement (AT): Present (P)
Privileges Required (PR): None (N)
User Interaction (UI): None (N)
Vulnerable System Impact Confidentiality (VC): High (H)
Vulnerable System Impact Integrity (VI): High (H)
Vulnerable System Impact Availability (VA): Low (L)
Subsequent System Impact Confidentiality (SC): None (N)
Subsequent System Impact Integrity (SI): None (N)
Subsequent System Impact Availability (SA): None (N)
Modified Attack Vector (MAV): Network (N)
Modified Attack Complexity (MAC): Low (L)
Modified Attack Requirement (MAT): Present (P)
Modified Privileges Required (MPR): None (N)
Modified User Interaction (MUI): None (N)
Modified Vulnerable System Impact Confidentiality (MVC): High (H)
Modified Vulnerable System Impact Integrity (MVI): High (H)
Modified Vulnerable System Impact Availability (MVA): Low (L)
Modified Subsequent System Impact Confidentiality (MSC): Negligible (N)
Modified Subsequent System Impact Integrity (MSI): Negligible (N)
Modified Subsequent System Impact Availability (MSA): Negligible (N)
Safety (S): Not Defined (X)
Automatable (AU): Not Defined (X)
Recovery (R): Not Defined (X)
Value Density (V): Not Defined (X)
Vulnerability Response Effort (RE): Not Defined (X)
Provider Urgency (U): Not Defined (X)
Confidentiality Req. (CR): Not Defined (X)
Integrity Req. (IR): Not Defined (X)
Availability Req. (AR): Not Defined (X)
Exploit Maturity (E): Not Defined (X)

updated 1 month, 3 weeks ago by @LeSuisse Activity log

Created suggestion 1 month, 3 weeks ago
@LeSuisse ignored
2 packages
- python313Packages.adguardhome
- python314Packages.adguardhome
1 month, 3 weeks ago
@LeSuisse accepted 1 month, 3 weeks ago
@LeSuisse published on GitHub 1 month, 3 weeks ago

AdGuard Home Authentication Bypass via Path Traversal in Admin-Token Cookie

AdGuard Home, when started with the --glinet flag, contains an authentication bypass vulnerability that allows unauthenticated attackers to gain full admin access by supplying a path traversal sequence in the Admin-Token cookie, exploiting unsanitized string concatenation in the token file path construction within the authglinet middleware. Attackers can craft a request with a traversal payload in the Admin-Token header to redirect file reads to arbitrary paths.

References

https://github.com/AdguardTeam/AdGuardHome/releases/tag/v0.107.77 release-notes
https://www.vulncheck.com/advisories/adguard-home-authentication-bypass-via-pat… third-party-advisory

Affected products

AdGuardHome

<0.107.77

Matching in nixpkgs

pkgs.adguardhome

Network-wide ads & trackers blocking DNS server

nixos-unstable 0.107.74
- nixpkgs-unstable 0.107.74
- nixos-unstable-small 0.107.76
nixos-26.05 0.107.74
- nixos-26.05-small 0.107.76
- nixpkgs-26.05-darwin 0.107.76

Ignored packages (2)

pkgs.python313Packages.adguardhome

Python client for the AdGuard Home API

nixos-unstable 0.8.1
- nixpkgs-unstable 0.8.1
- nixos-unstable-small 0.8.1
nixos-26.05 0.8.1
- nixos-26.05-small 0.8.1
- nixpkgs-26.05-darwin 0.8.1

pkgs.python314Packages.adguardhome

Python client for the AdGuard Home API

nixos-unstable 0.8.1
- nixpkgs-unstable 0.8.1
- nixos-unstable-small 0.8.1
nixos-26.05 0.8.1
- nixos-26.05-small 0.8.1
- nixpkgs-26.05-darwin 0.8.1

Package maintainers

@iagocq Iago Manoel Brito
@numkem Sebastien Bariteau <numkem@numkem.org>
@Golbinex Kryštof Baksa <baksa@pm.me>
@rhoriguchi Ryan Horiguchi <ryan.horiguchi@gmail.com>

Published

Permalink CVE-2026-32136

9.8 CRITICAL

CVSS version (CVSS): 3.1
Attack Vector (AV): Network (N)
Attack Complexity (AC): Low (L)
Privileges Required (PR): None (N)
User Interaction (UI): None (N)
Scope (S): Unchanged (U)
Confidentiality (C): High (H)
Integrity (I): High (H)
Availability (A): High (H)
Modified Attack Vector (MAV): Network (N)
Modified Attack Complexity (MAC): Low (L)
Modified Privileges Required (MPR): None (N)
Modified User Interaction (MUI): None (N)
Modified Confidentiality (MC): High (H)
Modified Scope (MS): Unchanged (U)
Modified Integrity (MI): High (H)
Modified Availability (MA): High (H)

updated 4 months, 3 weeks ago by @LeSuisse Activity log

Created suggestion 4 months, 3 weeks ago
@LeSuisse ignored
3 packages
- python312Packages.adguardhome
- python313Packages.adguardhome
- python314Packages.adguardhome
4 months, 3 weeks ago
@LeSuisse accepted 4 months, 3 weeks ago
@LeSuisse published on GitHub 4 months, 3 weeks ago

AdGuard Home: HTTP/2 Cleartext (h2c) Upgrade Authentication Bypass

AdGuard Home is a network-wide software for blocking ads and tracking. Prior to 0.107.73, an unauthenticated remote attacker can bypass all authentication in AdGuardHome by sending an HTTP/1.1 request that requests an upgrade to HTTP/2 cleartext (h2c). Once the upgrade is accepted, the resulting HTTP/2 connection is handled by the inner mux, which has no authentication middleware attached. All subsequent HTTP/2 requests on that connection are processed as fully authenticated, regardless of whether any credentials were provided. This vulnerability is fixed in 0.107.73.

References

https://github.com/AdguardTeam/AdGuardHome/security/advisories/GHSA-5fg6-wrq4-w5gh x_refsource_CONFIRM

Affected products

AdGuardHome

==< 0.107.73

Matching in nixpkgs

pkgs.adguardhome

Network-wide ads & trackers blocking DNS server

nixos-unstable 0.107.71
- nixpkgs-unstable 0.107.71
- nixos-unstable-small 0.107.71

Ignored packages (3)

pkgs.python312Packages.adguardhome

None

pkgs.python313Packages.adguardhome

Python client for the AdGuard Home API

nixos-unstable 0.8.1
- nixpkgs-unstable 0.8.1
- nixos-unstable-small 0.8.1

pkgs.python314Packages.adguardhome

Python client for the AdGuard Home API

nixos-unstable 0.8.1
- nixpkgs-unstable 0.8.1
- nixos-unstable-small 0.8.1

Package maintainers

@numkem Sebastien Bariteau <numkem@numkem.org>
@Golbinex Kryštof Baksa <baksa@pm.me>
@iagocq Iago Manoel Brito
@rhoriguchi Ryan Horiguchi <ryan.horiguchi@gmail.com>

Upstream advisory: https://github.com/AdguardTeam/AdGuardHome/security/advisories/GHSA-5fg6-wrq4-w5gh