lobehub LobeChat prior 2.2.10-canary.15 basePath findSkillMd redos

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k2.80

Summaryinfo

A vulnerability has been found in lobehub LobeChat and classified as problematic. Affected is the function findSkillMd of the component basePath Handler. The manipulation leads to redos. This vulnerability is documented as CVE-2026-58578. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in lobehub LobeChat. It has been rated as problematic. This issue affects the function findSkillMd of the component basePath Handler. The manipulation with an unknown input leads to a redos vulnerability. Using CWE to declare the problem leads to CWE-1333. The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles. Impacted is availability. The summary by CVE is:

LobeChat before version 2.2.10-canary.15 contains a regular expression denial of service (ReDoS) vulnerability that allows authenticated attackers to block the Node.js event loop by supplying a catastrophic-backtracking pattern in a GitHub repository URL path during skill import. Attackers can craft a malicious basePath value containing unescaped regex metacharacters such as catastrophic-backtracking patterns, which are injected into a dynamically constructed regular expression in the findSkillMd function and executed synchronously against archive entries, denying service to all concurrent users for tens of seconds per request.

The weakness was released by George Chen as 16494. The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-58578 since 07/01/2026. The exploitation is known to be easy. The attack may be initiated remotely. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1449.003 for this issue.

Upgrading to version 2.2.10-canary.15 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 349bbe326eb8635d6d9c6a96d12702681ae3a84a is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

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

CNA Base Score: 6.5
CNA Vector (VulnCheck): 🔒

CVSSv2info

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

Exploitinginfo

Class: Redos
CWE: CWE-1333 / CWE-400 / 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: LobeChat 2.2.10-canary.15
Patch: 349bbe326eb8635d6d9c6a96d12702681ae3a84a

Timelineinfo

07/01/2026 CVE reserved
07/02/2026 +1 days Advisory disclosed
07/02/2026 +0 days VulDB entry created
07/02/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: 16494
Researcher: George Chen
Status: Confirmed

CVE: CVE-2026-58578 (🔒)
GCVE (CVE): GCVE-0-2026-58578
GCVE (VulDB): GCVE-100-376001

Entryinfo

Created: 07/02/2026 23:04
Changes: 07/02/2026 23:04 (82)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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