CVE-2026-46378 Dasel: Denial of service in dasel selector lexer due to infinite loop on unterminated regex literal

Dasel is a command-line tool and library for querying, modifying, and transforming data structures. From 3.0.0 until 3.10.1, the selector lexer matchRegexPattern closure in Tokenizer.parseCurRune in selector/lexer/tokenize.go loops while tokenizing an unterminated regex literal such as r/ because...

CVE-2026-42506 affecting package dasel for versions less than 2.8.1-4

CVE-2026-42506 affecting package dasel for versions less than 2.8.1-4. A patched version of the package is available...

CVE-2026-42502 affecting package dasel for versions less than 2.8.1-4

CVE-2026-42502 affecting package dasel for versions less than 2.8.1-4. A patched version of the package is available...

CVE-2026-25680 affecting package dasel for versions less than 2.8.1-4

CVE-2026-25680 affecting package dasel for versions less than 2.8.1-4. A patched version of the package is available...

CVE-2026-27136 affecting package dasel for versions less than 2.8.1-4

CVE-2026-27136 affecting package dasel for versions less than 2.8.1-4. A patched version of the package is available...

CVE-2026-25681 affecting package dasel for versions less than 2.8.1-4

CVE-2026-25681 affecting package dasel for versions less than 2.8.1-4. A patched version of the package is available...

GO-2026-5491 Dasel: Index-out-of-range panic in dasel selector lexer on trailing backslash in quoted string in github.com/tomwright/dasel

Dasel: Index-out-of-range panic in dasel selector lexer on trailing backslash in quoted string in github.com/tomwright/dasel...

GO-2026-5493 Dasel: Denial of service in dasel selector lexer due to infinite loop on unterminated regex literal in github.com/tomwright/dasel

Dasel: Denial of service in dasel selector lexer due to infinite loop on unterminated regex literal in github.com/tomwright/dasel...

AZL-87603 CVE-2026-27136 affecting package dasel for versions less than 2.8.1-4

Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering...

AZL-87594 CVE-2026-42506 affecting package dasel for versions less than 2.8.1-4

Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering...

AZL-87597 CVE-2026-42502 affecting package dasel for versions less than 2.8.1-4

Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering...

AZL-87591 CVE-2026-25680 affecting package dasel for versions less than 2.8.1-4

Parsing arbitrary HTML can consume excessive CPU time, possibly leading to denial of service...

AZL-87600 CVE-2026-25681 affecting package dasel for versions less than 2.8.1-4

Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering...

Dasel: Denial of service in dasel selector lexer due to infinite loop on unterminated regex literal

Summary dasel's selector lexer enters a non-terminating loop when tokenizing an unterminated regex pattern such as r/abc. A 2-byte input r/ is sufficient to cause the tokenizer to consume 100% CPU on one core indefinitely. I confirmed the issue on v3.3.1 fba653c7f248aff10f2b89fca93929b64707dfc8 a...

Dasel: Index-out-of-range panic in dasel selector lexer on trailing backslash in quoted string

Summary dasel's selector lexer panics with an index-out-of-range error when tokenizing a quoted string that ends with a trailing backslash e.g., "\ or '. A 2-byte input causes an immediate process crash via Go runtime panic. I confirmed the issue on v3.3.1 fba653c7f248aff10f2b89fca93929b64707dfc8...

GHSA-M5J3-4634-C2VQ Dasel: Index-out-of-range panic in dasel selector lexer on trailing backslash in quoted string

Summary dasel's selector lexer panics with an index-out-of-range error when tokenizing a quoted string that ends with a trailing backslash e.g., "\ or '. A 2-byte input causes an immediate process crash via Go runtime panic. I confirmed the issue on v3.3.1 fba653c7f248aff10f2b89fca93929b64707dfc8...

PT-2026-42045

Name of the Vulnerable Software and Affected Versions dasel versions 3.0.0 through 3.3.1 Description The selector lexer contains a flaw that leads to a non-terminating loop when tokenizing an unterminated regex pattern, such as r/. This occurs because the matchRegexPattern closure within the...

PT-2026-42044

Name of the Vulnerable Software and Affected Versions dasel versions 3.0.0 through 3.3.1 Description The selector lexer contains a flaw that causes a process crash via a Go runtime panic when tokenizing a quoted string that ends with a trailing backslash. This occurs because the escape sequence...

CVE-2026-46378

creationtimestamp| type| source ---|---|--- 2026-05-13 20:50:17+00:00| published-proof-of-concept| https://github.com/TomWright/dasel/security/advisories/GHSA-m6xr-fvfg-5g64 2026-07-16 19:41:44+00:00| seen| https://bsky.app/profile/cve.skyfleet.blue/post/3mqrykn3wqb22...

SUSE CVE-2026-33320

Dasel is a command-line tool and library for querying, modifying, and transforming data structures. Starting in version 3.0.0 and prior to version 3.3.1, Dasel's YAML reader allows an attacker who can supply YAML for processing to trigger extreme CPU and memory consumption. The issue is in the...