Nixpkgs security tracker

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Published issues

All published security issues are tracked and resolved on GitHub.

NIXPKGS-2026-1804
published 3 months, 2 weeks ago
Permalink CVE-2026-48840
5.3 MEDIUM
  • 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): Low (L)
  • Integrity (I): None (N)
  • Availability (A): None (N)
  • 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): Low (L)
  • Modified Scope (MS): Unchanged (U)
  • Modified Integrity (MI): None (N)
  • Modified Availability (MA): None (N)
updated 3 months, 2 weeks ago by @LeSuisse Activity log
  • Created suggestion
  • @LeSuisse ignored
    3 maintainers
    • @4z3
    • @dasJ
    • @helsinki-Jo
    maintainer.ignore
  • @LeSuisse accepted
  • @LeSuisse published on GitHub

Exim 4.88 before 4.99.4, in some proxy configurations, mishandles certain …


Exim
  • <4.99.4
NIXPKGS-2026-1803
published 3 months, 2 weeks ago
Permalink CVE-2026-48525
5.3 MEDIUM
  • 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): None (N)
  • Integrity (I): None (N)
  • Availability (A): Low (L)
  • 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): None (N)
  • Modified Scope (MS): Unchanged (U)
  • Modified Integrity (MI): None (N)
  • Modified Availability (MA): Low (L)
updated 3 months, 2 weeks ago by @LeSuisse Activity log
  • Created suggestion
  • @LeSuisse accepted
  • @LeSuisse published on GitHub

PyJWT: Unauthenticated DoS via unbounded Base64URL decoding of unused payload segment in b64=false detached JWS


pyjwt
  • ==>= 2.8.0, < 2.13.0
NIXPKGS-2026-1802
published 3 months, 2 weeks ago
Permalink CVE-2026-45306
6.5 MEDIUM
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Network (N)
  • Attack Complexity (AC): Low (L)
  • Privileges Required (PR): High (H)
  • User Interaction (UI): None (N)
  • Scope (S): Unchanged (U)
  • Confidentiality (C): High (H)
  • Integrity (I): High (H)
  • Availability (A): None (N)
  • Modified Attack Vector (MAV): Network (N)
  • Modified Attack Complexity (MAC): Low (L)
  • Modified Privileges Required (MPR): High (H)
  • Modified User Interaction (MUI): None (N)
  • Modified Confidentiality (MC): High (H)
  • Modified Scope (MS): Unchanged (U)
  • Modified Integrity (MI): High (H)
  • Modified Availability (MA): None (N)
updated 3 months, 2 weeks ago by @LeSuisse Activity log
  • Created suggestion
  • @LeSuisse ignored
    4 packages
    • python312Packages.pyloadapi
    • python313Packages.pyloadapi
    • python314Packages.pyloadapi
    • home-assistant-component-tests.pyload
  • @LeSuisse accepted
  • @LeSuisse published on GitHub

pyLoad: Incomplete Fix for CVE-2026-33509 -storage_folder Bypass via Session Directory


pyload
  • ==< 0.5.0b3.dev100
NIXPKGS-2026-1801
published 3 months, 2 weeks ago
Permalink CVE-2026-48735
6.9 MEDIUM
  • CVSS version (CVSS): 4.0
  • Attack Vector (AV): Local (L)
  • Attack Complexity (AC): Low (L)
  • Attack Requirement (AT): None (N)
  • Privileges Required (PR): None (N)
  • User Interaction (UI): None (N)
  • Vulnerable System Impact Confidentiality (VC): None (N)
  • Vulnerable System Impact Integrity (VI): None (N)
  • Vulnerable System Impact Availability (VA): High (H)
  • 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): Local (L)
  • Modified Attack Complexity (MAC): Low (L)
  • Modified Attack Requirement (MAT): None (N)
  • Modified Privileges Required (MPR): None (N)
  • Modified User Interaction (MUI): None (N)
  • Modified Vulnerable System Impact Confidentiality (MVC): None (N)
  • Modified Vulnerable System Impact Integrity (MVI): None (N)
  • Modified Vulnerable System Impact Availability (MVA): High (H)
  • 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 3 months, 2 weeks ago by @LeSuisse Activity log
  • Created suggestion
  • @LeSuisse ignored
    10 packages
    • capypdf
    • python312Packages.pypdf2
    • python312Packages.pypdf3
    • python313Packages.pypdf2
    • python313Packages.pypdf3
    • python314Packages.pypdf2
    • python314Packages.pypdf3
    • python312Packages.pypdfium2
    • python313Packages.pypdfium2
    • python314Packages.pypdfium2
  • @LeSuisse accepted
  • @LeSuisse published on GitHub

pypdf: Manipulated XMP metadata streams can exhaust RAM


pypdf
  • ==< 6.12.1
Patch: https://github.com/py-pdf/pypdf/commit/62191d5a5c3ee218856d3cbaa039366bc97909f7
NIXPKGS-2026-1800
published 3 months, 2 weeks ago
updated 3 months, 2 weeks ago by @LeSuisse Activity log
  • Created suggestion
  • @LeSuisse accepted
  • @LeSuisse published on GitHub

CryptX versions before 0.088_001 for Perl have a stack buffer overflow in four AEAD decrypt_verify helpers


CryptX
  • <0.088_001
NIXPKGS-2026-1799
published 3 months, 2 weeks ago
Permalink CVE-2026-48526
7.4 HIGH
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Network (N)
  • Attack Complexity (AC): High (H)
  • Privileges Required (PR): None (N)
  • User Interaction (UI): None (N)
  • Scope (S): Unchanged (U)
  • Confidentiality (C): High (H)
  • Integrity (I): High (H)
  • Availability (A): None (N)
  • Modified Attack Vector (MAV): Network (N)
  • Modified Attack Complexity (MAC): High (H)
  • 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): None (N)
updated 3 months, 2 weeks ago by @LeSuisse Activity log
  • Created suggestion
  • @LeSuisse accepted
  • @LeSuisse published on GitHub

PyJWT: Public-key JWK accepted as HMAC secret enables forged HS256 tokens when mixed families are allowed


pyjwt
  • ==< 2.13.0
NIXPKGS-2026-1798
published 3 months, 2 weeks ago
Permalink CVE-2026-46561
5.0 MEDIUM
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Network (N)
  • Attack Complexity (AC): Low (L)
  • Privileges Required (PR): Low (L)
  • User Interaction (UI): None (N)
  • Scope (S): Changed (C)
  • Confidentiality (C): Low (L)
  • Integrity (I): None (N)
  • Availability (A): None (N)
  • Modified Attack Vector (MAV): Network (N)
  • Modified Attack Complexity (MAC): Low (L)
  • Modified Privileges Required (MPR): Low (L)
  • Modified User Interaction (MUI): None (N)
  • Modified Confidentiality (MC): Low (L)
  • Modified Scope (MS): Changed (C)
  • Modified Integrity (MI): None (N)
  • Modified Availability (MA): None (N)
updated 3 months, 2 weeks ago by @LeSuisse Activity log
  • Created suggestion
  • @LeSuisse ignored
    4 packages
    • home-assistant-component-tests.pyload
    • python314Packages.pyloadapi
    • python312Packages.pyloadapi
    • python313Packages.pyloadapi
  • @LeSuisse accepted
  • @LeSuisse published on GitHub

pyLoad: SSRF via HTTP Redirect Bypass in parse_urls API


pyload
  • ==< 0.5.0b3.dev100
NIXPKGS-2026-1797
published 3 months, 2 weeks ago
Permalink CVE-2026-48522
4.2 MEDIUM
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Network (N)
  • Attack Complexity (AC): High (H)
  • Privileges Required (PR): None (N)
  • User Interaction (UI): Required (R)
  • Scope (S): Unchanged (U)
  • Confidentiality (C): Low (L)
  • Integrity (I): Low (L)
  • Availability (A): None (N)
  • Modified Attack Vector (MAV): Network (N)
  • Modified Attack Complexity (MAC): High (H)
  • Modified Privileges Required (MPR): None (N)
  • Modified User Interaction (MUI): Required (R)
  • Modified Confidentiality (MC): Low (L)
  • Modified Scope (MS): Unchanged (U)
  • Modified Integrity (MI): Low (L)
  • Modified Availability (MA): None (N)
updated 3 months, 2 weeks ago by @LeSuisse Activity log
  • Created suggestion
  • @LeSuisse accepted
  • @LeSuisse published on GitHub

PyJWKClient: missing scheme allowlist enables SSRF + token forgery via file://, ftp://, data: schemes


pyjwt
  • ==< 2.13.0
NIXPKGS-2026-1796
published 3 months, 2 weeks ago
Permalink CVE-2026-45348
8.7 HIGH
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Network (N)
  • Attack Complexity (AC): Low (L)
  • Privileges Required (PR): Low (L)
  • User Interaction (UI): Required (R)
  • Scope (S): Changed (C)
  • Confidentiality (C): High (H)
  • Integrity (I): High (H)
  • Availability (A): None (N)
  • Modified Attack Vector (MAV): Network (N)
  • Modified Attack Complexity (MAC): Low (L)
  • Modified Privileges Required (MPR): Low (L)
  • Modified User Interaction (MUI): Required (R)
  • Modified Confidentiality (MC): High (H)
  • Modified Scope (MS): Changed (C)
  • Modified Integrity (MI): High (H)
  • Modified Availability (MA): None (N)
updated 3 months, 2 weeks ago by @LeSuisse Activity log
  • Created suggestion
  • @LeSuisse ignored
    4 packages
    • python312Packages.pyloadapi
    • python313Packages.pyloadapi
    • python314Packages.pyloadapi
    • home-assistant-component-tests.pyload
  • @LeSuisse accepted
  • @LeSuisse published on GitHub

pyLoad: Stored XSS in Downloads view via unsanitized link URL in packages.js template literal


pyload
  • ==< 0.5.0b3.dev100
NIXPKGS-2026-1795
published 3 months, 2 weeks ago
Permalink CVE-2026-48524
3.7 LOW
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Network (N)
  • Attack Complexity (AC): High (H)
  • Privileges Required (PR): None (N)
  • User Interaction (UI): None (N)
  • Scope (S): Unchanged (U)
  • Confidentiality (C): None (N)
  • Integrity (I): None (N)
  • Availability (A): Low (L)
  • Modified Attack Vector (MAV): Network (N)
  • Modified Attack Complexity (MAC): High (H)
  • Modified Privileges Required (MPR): None (N)
  • Modified User Interaction (MUI): None (N)
  • Modified Confidentiality (MC): None (N)
  • Modified Scope (MS): Unchanged (U)
  • Modified Integrity (MI): None (N)
  • Modified Availability (MA): Low (L)
updated 3 months, 2 weeks ago by @LeSuisse Activity log
  • Created suggestion
  • @LeSuisse accepted
  • @LeSuisse published on GitHub

PyJWT: PyJWKClient unbounded JWKS endpoint requests via attacker-controlled kid values (DoS)


pyjwt
  • ==< 2.13.0