misaka_danmu_server up to 2.8.9 Config History Rollback rollback ipWhitelist/trustedProxies/webhookApiKey improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.5$0-$5k2.87+

Summaryinfo

A vulnerability was found in misaka_danmu_server up to 2.8.9. It has been rated as critical. Affected by this vulnerability is an unknown functionality of the file /api/ui/config-history/rollback of the component Config History Rollback. The manipulation of the argument ipWhitelist/trustedProxies/webhookApiKey leads to improper authentication. This vulnerability is documented as CVE-2026-111643. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in misaka_danmu_server up to 2.8.9 and classified as critical. This issue affects an unknown function of the file /api/ui/config-history/rollback of the component Config History Rollback. The manipulation of the argument ipWhitelist/trustedProxies/webhookApiKey with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Misaka Danmu Server through 2.8.9 contains an authentication bypass vulnerability that allows unauthenticated attackers to write arbitrary configuration keys via the unprotected POST /api/ui/config-history/rollback endpoint. Attackers can set the ipWhitelist key to their own /32 address, or alter trustedProxies and webhookApiKey, to access every protected endpoint as the administrator.

The advisory is shared at hackmd.io. The identification of this vulnerability is CVE-2026-111643 since 10/16/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/16/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Name

Version

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: 8.5
VulDB Meta Temp Score: 8.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 9.8
CNA Vector (VulnCheck): 🔒

CVSSv2info

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

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
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: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/16/2026 Advisory disclosed
10/16/2026 +0 days CVE reserved
10/16/2026 +0 days VulDB entry created
10/16/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: hackmd.io
Status: Not defined

CVE: CVE-2026-111643 (🔒)
GCVE (CVE): GCVE-0-2026-111643
GCVE (VulDB): GCVE-100-421421

Entryinfo

Created: 10/16/2026 20:37
Changes: 10/16/2026 20:37 (74)
Complete: 🔍
Cache ID: 216::103

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