Nixpkgs security tracker

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Published issues

All published security issues are tracked and resolved on GitHub.

NIXPKGS-2026-0999
published on
Permalink CVE-2026-35521
8.8 HIGH
  • CVSS version: 3.1
  • Attack vector (AV): NETWORK
  • Attack complexity (AC): LOW
  • Privileges required (PR): LOW
  • User interaction (UI): NONE
  • Scope (S): UNCHANGED
  • Confidentiality impact (C): HIGH
  • Integrity impact (I): HIGH
  • Availability impact (A): HIGH
updated 3 weeks ago by @LeSuisse Activity log
  • Created suggestion
  • @LeSuisse ignored
    5 packages
    • swiftlint
    • python312Packages.softlayer
    • python313Packages.softlayer
    • python314Packages.softlayer
    • chickenPackages_5.chickenEggs.ftl
  • @LeSuisse accepted
  • @LeSuisse published on GitHub
Pi-hole FTL affected by Remote Code Execution (RCE) via dhcp.hosts Newline Injection

FTLDNS (pihole-FTL) provides an interactive API and also generates statistics for Pi-hole's Web interface. From 6.0 to before 6.6, the Pi-hole FTL engine contains a Remote Code Execution (RCE) vulnerability in the DHCP hosts configuration parameter (dhcp.hosts). This vulnerability allows an authenticated attacker to inject arbitrary dnsmasq configuration directives through newline characters, ultimately achieving command execution on the underlying system. This vulnerability is fixed in 6.6.

Affected products

FTL
  • ==>= 6.0, < 6.6

Matching in nixpkgs

Ignored packages (5)

Package maintainers

NIXPKGS-2026-0998
published on
Permalink CVE-2026-20884
8.1 HIGH
  • CVSS version: 3.1
  • Attack vector (AV): NETWORK
  • Attack complexity (AC): HIGH
  • Privileges required (PR): NONE
  • User interaction (UI): NONE
  • Scope (S): UNCHANGED
  • Confidentiality impact (C): HIGH
  • Integrity impact (I): HIGH
  • Availability impact (A): HIGH
updated 3 weeks ago by @LeSuisse Activity log
  • Created suggestion
  • @LeSuisse ignored package libraw1394
  • @LeSuisse accepted
  • @LeSuisse published on GitHub
An integer overflow vulnerability exists in the deflate_dng_load_raw functionality of …

An integer overflow vulnerability exists in the deflate_dng_load_raw functionality of LibRaw Commit 8dc68e2. A specially crafted malicious file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.

Affected products

LibRaw
  • ==Commit 8dc68e2

Matching in nixpkgs

pkgs.libraw

Library for reading RAW files obtained from digital photo cameras (CRW/CR2, NEF, RAF, DNG, and others)

Ignored packages (1)

pkgs.libraw1394

Library providing direct access to the IEEE 1394 bus through the Linux 1394 subsystem's raw1394 user space interface

Upstream patch: https://github.com/LibRaw/LibRaw/commit/39873163faa29ed5dfc3bb5aab1b46ed807b210f
NIXPKGS-2026-0997
published on
updated 3 weeks ago by @LeSuisse Activity log
  • Created suggestion
  • @LeSuisse ignored
    4 packages
    • python312Packages.sagemaker-mlflow
    • python313Packages.sagemaker-mlflow
    • python314Packages.sagemaker-mlflow
    • pkgsRocm.python3Packages.sagemaker-mlflow
  • @LeSuisse accepted
  • @LeSuisse published on GitHub
Stored XSS via unsafe YAML parsing in MLflow

MLflow is vulnerable to Stored Cross-Site Scripting (XSS) caused by unsafe parsing of YAML-based MLmodel artifacts in its web interface. An authenticated attacker can upload a malicious MLmodel file containing a payload that executes when another user views the artifact in the UI. This allows actions such as session hijacking or performing operations on behalf of the victim. This issue affects MLflow version through 3.10.1

Affected products

mlfolw
  • =<3.10.1

Matching in nixpkgs

pkgs.mlflow-server

Open source platform for the machine learning lifecycle

Ignored packages (4)

Package maintainers

NIXPKGS-2026-0996
published on
Permalink CVE-2026-24660
8.1 HIGH
  • CVSS version: 3.1
  • Attack vector (AV): NETWORK
  • Attack complexity (AC): HIGH
  • Privileges required (PR): NONE
  • User interaction (UI): NONE
  • Scope (S): UNCHANGED
  • Confidentiality impact (C): HIGH
  • Integrity impact (I): HIGH
  • Availability impact (A): HIGH
updated 3 weeks ago by @LeSuisse Activity log
  • Created suggestion
  • @LeSuisse ignored package libraw1394
  • @LeSuisse accepted
  • @LeSuisse published on GitHub
A heap-based buffer overflow vulnerability exists in the x3f_load_huffman functionality …

A heap-based buffer overflow vulnerability exists in the x3f_load_huffman functionality of LibRaw Commit d20315b. A specially crafted malicious file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.

Affected products

LibRaw
  • ==Commit d20315b

Matching in nixpkgs

pkgs.libraw

Library for reading RAW files obtained from digital photo cameras (CRW/CR2, NEF, RAF, DNG, and others)

Ignored packages (1)

pkgs.libraw1394

Library providing direct access to the IEEE 1394 bus through the Linux 1394 subsystem's raw1394 user space interface

Upstream patch: https://github.com/LibRaw/LibRaw/commit/a4a0ab69d286c7638741e70a11f04fb3d7b49db2
NIXPKGS-2026-0995
published on
Permalink CVE-2026-31842
7.5 HIGH
  • CVSS version: 3.1
  • Attack vector (AV): NETWORK
  • Attack complexity (AC): LOW
  • Privileges required (PR): NONE
  • User interaction (UI): NONE
  • Scope (S): UNCHANGED
  • Confidentiality impact (C): NONE
  • Integrity impact (I): NONE
  • Availability impact (A): HIGH
updated 3 weeks ago by @LeSuisse Activity log
  • Created suggestion
  • @LeSuisse accepted
  • @LeSuisse published on GitHub
Tinyproxy HTTP request parsing desynchronization via case-sensitive Transfer-Encoding handling

Tinyproxy through 1.11.3 is vulnerable to HTTP request parsing desynchronization due to a case-sensitive comparison of the Transfer-Encoding header in src/reqs.c. The is_chunked_transfer() function uses strcmp() to compare the header value against "chunked", even though RFC 7230 specifies that transfer-coding names are case-insensitive. By sending a request with Transfer-Encoding: Chunked, an unauthenticated remote attacker can cause Tinyproxy to misinterpret the request as having no body. In this state, Tinyproxy sets content_length.client to -1, skips pull_client_data_chunked(), forwards request headers upstream, and transitions into relay_connection() raw TCP forwarding while unread body data remains buffered. This leads to inconsistent request state between Tinyproxy and backend servers. RFC-compliant backends (e.g., Node.js, Nginx) will continue waiting for chunked body data, causing connections to hang indefinitely. This behavior enables application-level denial of service through backend worker exhaustion. Additionally, in deployments where Tinyproxy is used for request-body inspection, filtering, or security enforcement, the unread body may be forwarded without proper inspection, resulting in potential security control bypass.

References

Ignored references (2)

Affected products

Tinyproxy
  • =<1.11.3

Matching in nixpkgs

pkgs.tinyproxy

Light-weight HTTP/HTTPS proxy daemon for POSIX operating systems

Package maintainers

NIXPKGS-2026-0994
published on
Permalink CVE-2026-35491
6.1 MEDIUM
  • CVSS version: 3.1
  • Attack vector (AV): LOCAL
  • Attack complexity (AC): LOW
  • Privileges required (PR): LOW
  • User interaction (UI): NONE
  • Scope (S): UNCHANGED
  • Confidentiality impact (C): NONE
  • Integrity impact (I): HIGH
  • Availability impact (A): LOW
updated 3 weeks ago by @LeSuisse Activity log
  • Created suggestion
  • @LeSuisse ignored
    5 packages
    • swiftlint
    • python312Packages.softlayer
    • python313Packages.softlayer
    • python314Packages.softlayer
    • chickenPackages_5.chickenEggs.ftl
  • @LeSuisse accepted
  • @LeSuisse published on GitHub
Pi-hole FTL: CLI API sessions can import Teleporter archives and modify configuration

FTLDNS (pihole-FTL) provides an interactive API and also generates statistics for Pi-hole's Web interface. From 6.0 to before 6.6, Pi-hole FTL supports a CLI password feature (webserver.api.cli_pw) that creates “CLI” API sessions intended to be read-only for configuration changes. While /api/config correctly blocks CLI sessions from mutating configuration, /api/teleporter allowed Teleporter imports for CLI sessions, enabling a CLI-scoped session to overwrite configuration via a Teleporter archive (authorization bypass). This vulnerability is fixed in 6.6.

Affected products

FTL
  • ==>= 6.0, < 6.6

Matching in nixpkgs

Ignored packages (5)

Package maintainers

NIXPKGS-2026-0993
published on
Permalink CVE-2026-39361
7.7 HIGH
  • CVSS version: 3.1
  • Attack vector (AV): NETWORK
  • Attack complexity (AC): LOW
  • Privileges required (PR): LOW
  • User interaction (UI): NONE
  • Scope (S): CHANGED
  • Confidentiality impact (C): HIGH
  • Integrity impact (I): NONE
  • Availability impact (A): NONE
updated 3 weeks ago by @LeSuisse Activity log
  • Created suggestion
  • @LeSuisse accepted
  • @LeSuisse published on GitHub
OpenObserve has a SSRF Protection Bypass via IPv6 Bracket Notation in validate_enrichment_url

OpenObserve is a cloud-native observability platform. In 0.70.3 and earlier, the validate_enrichment_url function in src/handler/http/request/enrichment_table/mod.rs fails to block IPv6 addresses because Rust's url crate returns them with surrounding brackets (e.g. "[::1]" not "::1"). An authenticated attacker can reach internal services blocked from external access. On cloud deployments this enables retrieval of IAM credentials via AWS IMDSv1 (169.254.169.254), GCP metadata, or Azure IMDS. On self-hosted deployments it allows probing internal network services.

Affected products

openobserve
  • ==<= 0.70.3

Matching in nixpkgs

pkgs.openobserve

Cloud-native observability platform built specifically for logs, metrics, traces, analytics & realtime user-monitoring

Package maintainers

NIXPKGS-2026-0992
published on
Permalink CVE-2026-35518
8.8 HIGH
  • CVSS version: 3.1
  • Attack vector (AV): NETWORK
  • Attack complexity (AC): LOW
  • Privileges required (PR): LOW
  • User interaction (UI): NONE
  • Scope (S): UNCHANGED
  • Confidentiality impact (C): HIGH
  • Integrity impact (I): HIGH
  • Availability impact (A): HIGH
updated 3 weeks ago by @LeSuisse Activity log
  • Created suggestion
  • @LeSuisse ignored
    5 packages
    • swiftlint
    • python312Packages.softlayer
    • python313Packages.softlayer
    • python314Packages.softlayer
    • chickenPackages_5.chickenEggs.ftl
  • @LeSuisse accepted
  • @LeSuisse published on GitHub
Pi-hole FTL affected by Remote Code Execution (RCE) via dns.cnameRecords Newline Injection

FTLDNS (pihole-FTL) provides an interactive API and also generates statistics for Pi-hole's Web interface. From 6.0 to before 6.6, the Pi-hole FTL engine contains a Remote Code Execution (RCE) vulnerability in the DNS CNAME records configuration parameter (dns.cnameRecords). This vulnerability allows an authenticated attacker to inject arbitrary dnsmasq configuration directives through newline characters, ultimately achieving command execution on the underlying system. This vulnerability is fixed in 6.6.

Affected products

FTL
  • ==>= 6.0, < 6.6

Matching in nixpkgs

Ignored packages (5)

Package maintainers

NIXPKGS-2026-0991
published on
updated 3 weeks ago by @LeSuisse Activity log
  • Created suggestion
  • @LeSuisse accepted
  • @LeSuisse published on GitHub
xdg-dbus-proxy has an eavesdrop filter bypass allowing message interception

xdg-dbus-proxy is a filtering proxy for D-Bus connections. Prior to 0.1.7, a policy parser vulnerability allows bypassing eavesdrop restrictions. The proxy checks for eavesdrop=true in policy rules but fails to handle eavesdrop ='true' (with a space before the equals sign) and similar cases. Clients can intercept D-Bus messages they should not have access to. This vulnerability is fixed in 0.1.7.

Affected products

xdg-dbus-proxy
  • ==< 0.1.7

Matching in nixpkgs

Package maintainers

NIXPKGS-2026-0990
published on
Permalink CVE-2026-5747
7.5 HIGH
  • CVSS version: 3.1
  • Attack vector (AV): LOCAL
  • Attack complexity (AC): HIGH
  • Privileges required (PR): HIGH
  • User interaction (UI): NONE
  • Scope (S): CHANGED
  • Confidentiality impact (C): HIGH
  • Integrity impact (I): HIGH
  • Availability impact (A): HIGH
updated 3 weeks ago by @LeSuisse Activity log
  • Created suggestion
  • @LeSuisse accepted
  • @LeSuisse published on GitHub
Out-of-bounds Write in Firecracker virtio-pci Transport

An out-of-bounds write issue in the virtio PCI transport in Amazon Firecracker 1.13.0 through 1.14.3 and 1.15.0 on x86_64 and aarch64 might allow a local guest user with root privileges to crash the Firecracker VMM process or potentially execute arbitrary code on the host via modification of virtio queue configuration registers after device activation. Achieving code execution on the host requires additional preconditions, such as the use of a custom guest kernel or specific snapshot configurations. To remediate this, users should upgrade to Firecracker 1.14.4 or 1.15.1 and later.

Affected products

Firecracker
  • ==1.15.0
  • ==1.15.1
  • =<1.14.3
  • ==1.14.4

Matching in nixpkgs

Package maintainers