BareBones BBEdit up to 15.5.5 Lasso Language Tokenizer infinite loop

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.1$0-$5k0.98+

Summaryinfo

A vulnerability marked as problematic has been reported in BareBones BBEdit up to 15.5.5. The impacted element is an unknown function of the component Lasso Language Tokenizer. Performing a manipulation results in infinite loop. This vulnerability is reported as CVE-2026-82605. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in BareBones BBEdit up to 15.5.5. This affects an unknown code of the component Lasso Language Tokenizer. The manipulation with an unknown input leads to a infinite loop vulnerability. CWE is classifying the issue as CWE-835. The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. This is going to have an impact on availability.

It is possible to read the advisory at ciphersecuritylabs.com. This vulnerability is uniquely identified as CVE-2026-82605. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Upgrading to version 16.0 eliminates this vulnerability. The upgrade is hosted for download at barebones.com.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Infinite loop
CWE: CWE-835 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: BBEdit 16.0

Timelineinfo

08/30/2026 Advisory disclosed
08/30/2026 +0 days VulDB entry created
08/30/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: ciphersecuritylabs.com
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-82605 (🔒)
GCVE (CVE): GCVE-0-2026-82605
GCVE (VulDB): GCVE-100-397107

Entryinfo

Created: 08/30/2026 09:19
Changes: 08/30/2026 09:19 (55)
Complete: 🔍
Submitter: ciphersecuritylabs
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #892840: BareBones BBEdit 15.5.5 Denial of Service (by ciphersecuritylabs)

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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