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

> Remote attackers can cause a denial of service via an infinite loop in the Lasso Language Tokenizer of BBEdit.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 31 Aug 2026
- **Updated:** 31 Aug 2026
- **Also known as:** GHSA-hcgm-vv9f-xh79

## What is CVE-2026-82605?

CVE-2026-82605 is a medium-severity denial of service vulnerability in BareBones BBEdit, published on 31 Aug 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official 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.

Weakness: CWE-835 (Loop with Unreachable Exit Condition), CWE-404 (Improper Resource Shutdown or Release)

## Which versions are affected by CVE-2026-82605?


## How do I fix CVE-2026-82605?

No fix has been published for CVE-2026-82605 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-82605 being exploited?

There is no known exploitation of CVE-2026-82605 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-82605 and fix it if it is affected.

What it is: CVE-2026-82605 is a medium-severity denial of service vulnerability in BareBones BBEdit, published on 31 Aug 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2026-82605 in the wild and no public exploit code.

Affected product: BareBones BBEdit. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-82605/ (Markdown: https://insights.sbomify.com/CVE-2026-82605/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-82605
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-82605
- OSV: https://osv.dev/vulnerability/CVE-2026-82605

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-82605/
Summaries are generated and may contain mistakes; the official description above is the record.