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Published

Permalink CVE-2026-72912

4.3 MEDIUM

CVSS version (CVSS): 3.1
Attack Vector (AV): Network (N)
Attack Complexity (AC): Low (L)
Privileges Required (PR): None (N)
User Interaction (UI): Required (R)
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): Required (R)
Modified Confidentiality (MC): None (N)
Modified Scope (MS): Unchanged (U)
Modified Integrity (MI): None (N)
Modified Availability (MA): Low (L)

updated 14 hours ago by @LeSuisse Activity log

Created suggestion 19 hours ago
@LeSuisse accepted 14 hours ago
@LeSuisse published on GitHub 14 hours ago

CyberChef’s pretty-recipe parser vulnerable to client-side ReDoS / CPU exhaustion when parsing a malformed #recipe= URL

CyberChef is a web app for encryption, encoding, compression, and data analysis. Prior to 11.3.0, CyberChef's pretty-recipe parser in src/core/Utils.mjs can exhaust client-side CPU when a malformed #recipe= URL fragment containing a large number of unmatched quote characters reaches Utils.parseRecipeConfig(). The function synchronously applies a complex global regular expression that may perform heavy backtracking before rejecting the input, causing the victim's browser tab to freeze during startup for seconds or longer. No code execution, data exfiltration, or privilege escalation occurs. This issue is fixed in version 11.3.0.

References

https://github.com/gchq/CyberChef/security/advisories/GHSA-w74r-jxjh-gwr6 x_refsource_CONFIRM
https://github.com/gchq/CyberChef/pull/2687 x_refsource_MISC
https://github.com/gchq/CyberChef/commit/f77ddf489050b339faa978bb28da954bafd289ae x_refsource_MISC
https://github.com/gchq/CyberChef/releases/tag/v11.3.0 x_refsource_MISC

Affected products

CyberChef

==< 11.3.0

Matching in nixpkgs

pkgs.cyberchef

Cyber Swiss Army Knife for encryption, encoding, compression and data analysis

nixos-unstable 11.2.0
- nixpkgs-unstable 11.2.0
- nixos-unstable-small 11.2.0
nixos-26.05 11.0.0
- nixos-26.05-small 11.2.0
- nixpkgs-26.05-darwin 11.0.0

Package maintainers

@aldenparker Alden Parker
@sebastianblunt Sebastian Blunt <nix@sebastianblunt.com>

Published

Permalink CVE-2026-57439

5.0 MEDIUM

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

updated 1 month ago by @LeSuisse Activity log

Created suggestion 1 month ago
@LeSuisse accepted 1 month ago
@LeSuisse published on GitHub 1 month ago

CyberChef: Prototype pollution in Series Chart operation

CyberChef is a web app for encryption, encoding, compression, and data analysis. Prior to 11.2.0, the Series Chart operation accepts __proto__ as a key while parsing user-supplied CSV, allowing prototype pollution that can be chained with operations such as Parse UDP to inject malicious JavaScript into HTML output. This issue is fixed in version 11.2.0.