CVE-2026-82605: BareBones BBEdit Lasso Language Tokenizer infinite loop

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-31 · updated 2026-08-31
Weakness: CWE-404

Description

A vulnerability has been found in BareBones BBEdit up to 15.5.5. The affected element is an unknown function of the component Lasso Language Tokenizer. Such manipulation leads to infinite loop. The attack can be executed remotely. Upgrading to version 16.0 is sufficient to fix this issue. The affected component should be upgraded.

Affected products

BareBones BBEdit: 15.5.0, 15.5.1, 15.5.2, 15.5.3, 15.5.4, 15.5.5

References

https://ciphersecuritylabs.com/research/articles/fuzzing-bbedit-language-modules-stack-exhaustion-and-infinite-loop-dos-bugs
https://vuldb.com/cve/CVE-2026-82605
https://vuldb.com/submit/892840
https://vuldb.com/vuln/397107
https://vuldb.com/vuln/397107/cti
https://www.barebones.com/store/bbedit_upgrades.html
https://www.barebones.com/support/bbedit/notes-16.0.html

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