Nixpkgs security tracker

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Permalink CVE-2026-5266

2.3 LOW

CVSS version (CVSS): 4.0
Attack Vector (AV): Network (N)
Attack Complexity (AC): Low (L)
Attack Requirement (AT): Present (P)
Privileges Required (PR): Low (L)
User Interaction (UI): None (N)
Vulnerable System Impact Confidentiality (VC): Low (L)
Vulnerable System Impact Integrity (VI): None (N)
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): Low (L)
Modified Attack Requirement (MAT): Present (P)
Modified Privileges Required (MPR): Low (L)
Modified User Interaction (MUI): None (N)
Modified Vulnerable System Impact Confidentiality (MVC): Low (L)
Modified Vulnerable System Impact Integrity (MVI): None (N)
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 1 week, 6 days ago Activity log

Created suggestion 1 week, 6 days ago

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in …

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Echo. This vulnerability is associated with program files includes/Api/ApiEchoNotifications.Php. This issue affects Echo: from * before 1.43.7, 1.44.4, 1.45.2.

References

https://phabricator.wikimedia.org/T420154

Affected products

Echo

<1.43.7, 1.44.4, 1.45.2

Matching in nixpkgs

pkgs.echoip

IP address lookup service

nixos-unstable 0-unstable-2026-02-28
- nixpkgs-unstable 0-unstable-2026-02-28
- nixos-unstable-small 0-unstable-2026-02-28
nixos-25.11 0-unstable-2026-02-28
- nixos-25.11-small 0-unstable-2026-02-28
- nixpkgs-25.11-darwin 0-unstable-2026-02-28

pkgs.client-ip-echo

Accepts TCP connections and echoes the client's IP address back to it

nixos-unstable 0.1.0.5
- nixpkgs-unstable 0.1.0.5
- nixos-unstable-small 0.1.0.5
nixos-25.11 0.1.0.5
- nixos-25.11-small 0.1.0.5
- nixpkgs-25.11-darwin 0.1.0.5