CasaOS < 0.4.4 - Authentication Bypass via Random JWT Token

CasaOS is an open-source Personal Cloud system. Unauthenticated attackers can craft arbitrary JWTs and access features that usually require authentication and execute arbitrary commands as root on CasaOS instances. This problem was addressed by improving the validation of JWTs in commit 705bf1f...

Attackers Exploit SharePoint Authentication Bypass After Public PoC Release

Threat actors have begun to exploit a newly disclosed Microsoft SharePoint vulnerability following the release of a proof-of-concept PoC code. The vulnerability in question is CVE-2026-55040 CVSS score: 9.1, which refers to a critical security feature bypass that stems from weak authentication. I...

D-Link D-View 8 v2.0.1.28 - Authentication Bypass

Use of a static key to protect a JWT token used in user authentication can allow an for an authentication bypass in D-Link D-View 8 v2.0.1.28 id: CVE-2023-5074 info: name: D-Link D-View 8 v2.0.1.28 - Authentication Bypass author: DhiyaneshDK severity: critical description: | Use of a static key t...

CVE-2026-49819

UpSnap is a wake on lan web app. Versions 4.4.1 through 5.3.5 are vulnerable to a missing-authentication / privilege-escalation chain in pb.HandlerInitSuperuser backend/pb/handlers.go:249, reachable as POST /api/upsnap/init-superuser. The vulnerable code lacks any authentication, setup token, IP...

CVE-2026-18675 Kong Mesh: control plane denial of service via a malformed dataplane token with a non-string JWT kid

The dataplane token validator in kuma-cp performs an unchecked Go type assertion on the JWT kid header. A token whose kid is a JSON number decodes as a float64 and triggers a runtime panic before any signature, claims, or authorization check runs. The panic terminates the entire kuma-cp process,...

CVE-2026-50561

Yuxi is a large-model-based intelligent knowledge base and knowledge graph agent development platform. Prior to version 0.6.2, the project's authentication mechanism contains a flaw. In affected versions, the system does not sufficiently validate the identity token in the Authorization header —...

CVE-2026-50561

Yuxi is a large-model-based intelligent knowledge base and knowledge graph agent development platform. Prior to version 0.6.2, the project's authentication mechanism contains a flaw. In affected versions, the system does not sufficiently validate the identity token in the Authorization header —...

CVE-2026-69102 MaxKey Hard-coded JWT Secret Unauthorized Access via /login/jwt/trust

MaxKey contains an unauthorized access vulnerability due to a hard-coded JWT signing secret in application-maxkey.properties that allows unauthenticated attackers to forge valid JWT tokens and authenticate as any user by exploiting the password-skipped login endpoint. Attackers can craft a JWT...

CVE-2026-69102 MaxKey Hard-coded JWT Secret Unauthorized Access via /login/jwt/trust

MaxKey contains an unauthorized access vulnerability due to a hard-coded JWT signing secret in application-maxkey.properties that allows unauthenticated attackers to forge valid JWT tokens and authenticate as any user by exploiting the password-skipped login endpoint. Attackers can craft a JWT...

Rapid7 Analysis: Microsoft SharePoint JWT Token Authentication Bypass (CVE-2026-55040)

Overview On July 14, 2026, Rapid7 and Microsoft disclosed CVE-2026-55040, an authentication bypass vulnerability affecting Microsoft SharePoint. Today we are publishing a technical analysis of the vulnerability along with an accompanying proof-of-concept PoC script. Figure 1: The Rapid7 Labs PoC...

CVE-2026-72772

n8n before 2.32.1 and before 2.31.5 is vulnerable to account takeover via the Token Exchange Embed Login feature. When a validly-signed incoming token was matched to a local account by its email claim, the service did not verify that the email claim was verified, nor that the trusted key's...

PT-2026-69305

Name of the Vulnerable Software and Affected Versions lmammino oidc-authorizer versions prior to 0.4.1 Description The Lambda Authorizer component contains an issue where raw Authorization header values and complete bearer tokens or JWTs are logged on authentication failure paths, potentially...

CVE-2026-55040: Microsoft SharePoint JWT Token Authentication Bypass (FIXED)

Overview Rapid7 Labs conducted a zero-day research project against Microsoft SharePoint, resulting in the discovery of two new vulnerabilities that, when chained together, achieve unauthenticated remote code execution RCE against a vulnerable SharePoint server. Today, both Rapid7 and Microsoft ar...

CVE-2026-14336

PIA's OIDC issuer allowlist for Jenkins tokens uses a bare string-prefix check issuer.startswith' https://ci.eclipse.org ' in isissuerknown, pia/models.py:139 instead of validating the issuer as a properly host-bounded URL. An attacker can craft an issuer such as https://[email protected]...

EUVD-2026-33585

Exploitation requires the attacker to already be an authenticated Airflow worker holding a valid Log-server JWT issued for at least one Dag. Apache Airflow's Log server authorized JWT tokens against Dag IDs by applying Python's str.lstrip to the requested path segment when verifying the JWT's sub...

CVE-2026-45426 Apache Airflow: Log server JWT authorization bypass via Python lstrip() character stripping allows cross-Dag log access

Exploitation requires the attacker to already be an authenticated Airflow worker holding a valid Log-server JWT issued for at least one Dag. Apache Airflow's Log server authorized JWT tokens against Dag IDs by applying Python's str.lstrip to the requested path segment when verifying the JWT's sub...

CVE-2026-42239 Budibase auth session cookies are set with httpOnly:false — any XSS can lead to full account takeover

Budibase is an open-source low-code platform. Prior to version 3.35.10, the budibase:auth cookie containing the JWT session token is set with httpOnly: false at packages/backend-core/src/utils/utils.ts:218. JavaScript can read this cookie via document.cookie. This means every XSS becomes a full...

PT-2026-36727

Name of the Vulnerable Software and Affected Versions YunaiV yudao-cloud versions prior to 3.8.1 Description An authentication bypass exists in the Ruoyi-Vue-Pro component. Manipulation of the mock-token argument within the doFilterInternal function of the JwtAuthenticationTokenFilter.java file...

CVE-2026-7018

A vulnerability was determined in Datavane Datavines up to 13607645e14a4982468cfdbcf75c85cde63bae71. The affected element is an unknown function of the file datavines-core/src/main/java/io/datavines/core/utils/TokenManager.java of the component JWT Token Handler. Executing a manipulation of the...

CVE-2026-7018 Datavane Datavines JWT Token TokenManager.java hard-coded key

A vulnerability was determined in Datavane Datavines up to 13607645e14a4982468cfdbcf75c85cde63bae71. The affected element is an unknown function of the file datavines-core/src/main/java/io/datavines/core/utils/TokenManager.java of the component JWT Token Handler. Executing a manipulation of the...