social-auth-core has an Improper Authentication issue

ImpactThe SAML backend accepted SAML responses on the Assertion Consumer Service endpoint without verifying that they matched a previously issued AuthnRequest.Applications using SAML account association could allow an attacker with a valid account on a trusted IdP to link the attacker's SAML...

social-auth-core has a Session Fixation issue

ImpactThe partial-pipeline resume mechanism accepted partialtoken as a bearer credential without binding it to the browser session that created it.Applications using resumable partial pipeline steps could allow an attacker to start an authentication flow, obtain a valid partial token and...

social-auth-core has Login CSRF via Missing State Parameter in LoginRadius Backend

ImpactThe LoginRadius backend did not validate OAuth state during the authentication flow.Applications using this backend were vulnerable to login CSRF. An attacker could cause a victim's browser session to complete authentication using an attacker-controlled LoginRadius token, making the victim...

Oauthlib : Unsafe JSONP callback injection in RevocationEndpoint allows arbitrary JavaScript response generation

SummaryWhen enablejsonp=True, oauthlib's RevocationEndpoint reflects the user-supplied callback parameter directly into JavaScript response bodies on both success and error paths without validating that it is a legal JSONP callback name. This allows arbitrary JavaScript response generation instea...

social-auth-core: VK App backend accepts unsigned callback data when auth_key is missing

ImpactThe vk-app backend accepted VK application callback data without verifying the callback signature when the authkey parameter was omitted.Applications using this backend could treat unsigned attacker-controlled data as a verified VK identity. An attacker could choose callback fields such as...

Streamlink: HTTPSession follows HTTP redirects into file:// URLs, reading local files

SummaryHTTPSession mounts a FileAdapter for the file:// scheme and inherits redirect handlingunchanged from requests.Session. requests does not check for scheme downgrades orcross-protocol transitions when it follows a redirect, so any https request Streamlink makes canbe redirected by the remote...

Mesop: Unauthenticated ANSI Escape Sequence Injection in CSP Reporting Endpoint

SummaryThe /csp endpoint accepts unauthenticated JSON reports and logs user-controlled values directly to stdout using print without escaping control characters.A remote attacker can include ANSI/VT100 escape sequences in fields such as blocked-uri or document-uri. When the logs are viewed in an...

plone.app.dexterity has a Denial of Service due to excessive title or description length

ImpactWhen creating content with a very large title or description field, Plone can become unresponsive. Even if the content loads, it can be hard to edit or delete, because the UI is unwieldy. PatchesThe problem has been patched in plone.app.dexterity. On Plone 6.2, upgrade to plone.app.dexterit...

plone.app.portlets Vulnerable to Remote Code Execution via TALES Injection

ImpactThe Classic portlet plone.app.portlets.portlets.classic used its user-supplied template/macro fields to build a TALES path expression that was then evaluated by the TAL path helper. Because the value was interpreted as a full TALES expression, a user able to add or edit a Classic portlet...

Zapros: Streaming decoders ignored the requested chunk size, allowing a single compressed response chunk to allocate unbounded memory (decompression bomb)

ImpactDenial of service via memory exhaustion. Affects all callers who streamed compressed responses relying on the chunk size — explicit iterbyteschunksize=... or the default — to bound memory. The decoder ignored that bound, so a chunk could be far larger than requested and a single compressed...

Zapros has an Unbounded Content-Encoding decompression chain that allows denial of service

ImpactWho is impacted: - Any application using Zapros to make HTTP requests to untrusted servers - Applications that follow redirects to attacker-controlled hostsAttack vector: - A malicious HTTP server returns a response with many chained content encodings. When the client attempts to decode, it...

Decepticon: Role-boundary forgery via ChatML special-token literals in web crawl output composed into LLM context

SummaryDecepticon wraps web crawl results — the output of agent reconnaissance against target services — into LLM messages without neutralizing ChatML special-token literals. Under the BYOK Bring Your Own Key deployment model, users configure their own LLM credentials to any OpenAI-compatible...

Decepticon: Role-boundary forgery via ChatML special-token literals in web crawl output composed into LLM context

SummaryDecepticon wraps web crawl results — the output of agent reconnaissance against target services — into LLM messages without neutralizing ChatML special-token literals. Under the BYOK Bring Your Own Key deployment model, users configure their own LLM credentials to any OpenAI-compatible...

Home Assistant: XSS in Statistics Graph Card

SummaryAn authenticated party can add a malicious name to any statistics-capable entity, allowing forCross-Site Scripting attacks against anyone who views a Statistics Graph card containing thatentity, when they hover over any data point on the chart.PayloadPayload triggeringAn alternative, and...

lightrag-hku: Plaintext Passwords Compared Without Constant-Time Function

SummaryWhen plaintext passwords are stored in AUTHACCOUNTS, the comparison uses Python's == operator which is not constant-time. An attacker with low-latency access can exploit timing differences to recover the password character by character. Detailspython lightrag/api/passwords.py:13-26def...

lightrag-hku: No Rate Limiting on /login Endpoint Allows Brute-Force Attacks

SummaryThe POST /login endpoint has no rate limiting, account lockout, or delay on failed attempts. An attacker can submit unlimited password guesses at full network speed. Detailspython lightrag/api/lightragserver.py:[email protected]"/login"async def loginformdata: OAuth2PasswordRequestForm =...

lightrag-hku: Stored Cross-Site Scripting (XSS) in the LightRAG WebUI chat/answer renderer via ingested content

SummaryThe LightRAG WebUI renders assistant/answer chat content as raw HTML — react-markdown isconfigured with rehypePlugins=rehypeRaw and skipHtml=false and no HTML sanitizerrehype-sanitize, element allow-list, or custom urlTransform. Because answer content is derivedfrom user-ingested documents...

lightrag-hku: Sensitive Information Exposure Through Raw Exception Messages in API Error Responses

SummaryThe LightRAG API server passes raw Python exception messages directly into HTTPerror responses across 30+ error handlers in every router. When combined withthe default unauthenticated configuration see companion report on CWE-306, anynetwork-reachable client can trigger exceptions whose ra...

Nautobot: Authorization bypass in approval workflow REST API allows self-approval and unauthorized activation of scheduled jobs

ImpactThis is an authorization bypass that escalates into unauthorized server-side job execution.1. Primary impact - self-approval: The approver checks approver-group membership, change permission on the object under review, one-response-per-user are enforced only in the approve/deny actions on...

Home Assistant: mDNS Server-Side Request Forgery

SummaryHome Assistant Green is vulnerable to a Server-Side Request Forgery SSRF via the mDNS/Zeroconf IPP integration. An unauthenticated attacker on the local network can send a crafted mDNS response to trick Home Assistant into making HTTP requests to arbitrary hosts, including internal service...

lightrag-hku: SSRF via IPv6-transition address bypass (NAT64, IPv4-compatible, 6to4) of the native-markdown image-download guard

SummaryLightRAG's native markdown parser downloads external images referenced by an uploaded markdown or textpack document. The only SSRF guard, validatedaddresses in lightrag/parser/markdown/parser.py, resolves the image host and rejects it when the resolved IP is not isglobal. That check is...

Autobahn Python permessage-deflate bypasses maxMessagePayloadSize after inflation

SummaryAutobahn Python enforces maxMessagePayloadSize against the compressed WebSocket frame length before permessage-deflate inflation, then delivers the inflated message to application callbacks without a second size check. A client frame that is only 22 compressed bytes can inflate to 4096 byt...

mcp-atlassian has an incomplete SSRF remediation

SummaryThe UserTokenMiddleware extracts URLs from X-Atlassian-Jira-Url and X-Atlassian-Confluence-Url HTTP headers and passes them directly to API client constructors without any SSRF validation. Affected Package- Ecosystem: PyPI- Package: mcp-atlassian- Affected versions: all versions before fix...

Nautobot: Stored cross-site scripting (XSS) in object create/edit form help text

ImpactWhat kind of vulnerability is it? Who is impacted?It has two related instances that share the same root cause: a user-controlled model field is assigned verbatim to a form field's helptext, which is rendered with Django's |safe filter renderfield.html, bypassing auto-escaping.In both cases...

MCP Atlassian: Incomplete fix for GHSA-7r34-79r5-rcc9: redirect-based SSRF via unhooked requests session in Jira user-permission lookup

SummaryThe fix for the SSRF vulnerability tracked as GHSA-7r34-79r5-rcc9 / CVE-2026-27826 is incomplete. That fix added two defenses: validateurlforssrf on the per-request X-Atlassian-Jira-Url / X-Atlassian-Confluence-Url headers blocking a directly-internal base URL, and a redirect-validation ho...

MCP Atlassian: Arbitrary file read/exfiltration via upload_attachment missing validate_safe_path()

SummaryThe uploadattachment method in confluence/attachments.py reads and uploads arbitrary local files to Confluence without calling validatesafepath. Both download methods downloadattachment at line 223, downloadcontentattachments at line 272 correctly call validatesafepath before writing files...

[mcp-atlassian] Authentication bypass in HTTP transport: AtlassianOpaqueTokenVerifier accepts any non-empty token

Descriptionmcp-atlassian deploys in two common patterns: Pattern A single-user, server-side credentials: operator sets JIRAUSERNAME + JIRAAPITOKEN or CONFLUENCEUSERNAME + CONFLUENCEAPITOKEN in environment variables. Server uses these to call Jira/Confluence. This is the documented quickstart...

Autobahn Python permessage-deflate bypasses maxMessagePayloadSize after inflation

SummaryAutobahn Python enforces maxMessagePayloadSize against the compressed WebSocket frame length before permessage-deflate inflation, then delivers the inflated message to application callbacks without a second size check. A client frame that is only 22 compressed bytes can inflate to 4096 byt...

MCP Atlassian: Incomplete path traversal fix allows intra-CWD module overwrite and RCE (bypass of GHSA-xjgw-4wvw-rgm4)

SummaryThe path traversal fix introduced in v0.17.0 GHSA-xjgw-4wvw-rgm4 is incomplete. validatesafepath is called without an explicit basedir, defaulting to os.getcwd. In standard container deployments the process CWD is the application directory e.g. /app, so paths within that directory, includi...

MCP Atlassian: Arbitrary server-local file upload to Jira/Confluence attachments via unrestricted file_path parameters

SummaryThe Jira and Confluence attachment upload tools accept caller-controlled file path parameters and read those paths from the MCP server's local filesystem before uploading the file as an Atlassian attachment.In local stdio deployments, this can expose files readable by the user's MCP proces...

MCP Atlassian: OAuth fallback token storage writes plaintext access and refresh tokens with group-readable permissions

SummaryWhen OAuth tokens are saved, MCP Atlassian always writes a plaintext fallback copy under /.mcp-atlassian/oauth-.json. The fallback file is created with the process default umask rather than restrictive permissions. In this environment the file was created as mode 0664, exposing access and...

MCP Atlassian: SSRF Protection Bypass

Environment- Project: sooperset/mcp-atlassian- Affected function: validateurlforssrf- Affected path: header-based Jira/Confluence URL authentication flow- Tested endpoint: POST /mcp- Tested version: 2.14.5 DescriptionThe SSRF protection in validateurlforssrf can be bypassed with a URL containing ...

MCP Atlassian: Path traversal in upload_attachment allows arbitrary file read and exfiltration via MCP tool call

SummaryThe uploadattachment functions in both the Jira and Confluence modules accept a user-controlled filepath parameter and open the specified file for reading without calling validatesafepath. An authenticated MCP client can supply an arbitrary path such as /etc/passwd or /proc/self/environ,...

MCP Atlassian: SSRF redirect protection missing for basic-auth and OAuth authentication branches

Summarymakessrfsafehook blocks HTTP redirects to private/internal IPs by validating the Location header before the client follows a 3xx response. The problem is that this hook is only attached in one of three authentication branches — the header-PAT path. Basic auth and OAuth branches skip it...

MCP Atlassian: JIRA_PROJECTS_FILTER / CONFLUENCE_SPACES_FILTER allow forbidden-project content exfiltration (one LIVE-proven on Atlassian Cloud)

Summarymcp-atlassian is a popular community MCP server wrapper exposing Jira / Confluence to MCP clients. Operators commonly restrict the surface to a small allowlist of projects/spaces via the JIRAPROJECTSFILTER and CONFLUENCESPACESFILTER environment variables, which the README documents as the...

MCP Atlassian: HTTP upload tools accept arbitrary server-local file paths

sooperset/mcp-atlassian: HTTP upload tools can attach arbitrary server-local filesDate: 2026-05-05Target: sooperset/mcp-atlassianCommit: d8bc78698a63cb6b321c7ca796d6329d448f7f6d Summarymcp-atlassian supports HTTP/SSE deployment for persistent, remote, and multi-user use. In that mode, write-capab...

MCP Atlassian: Arbitrary file read via confluence_upload_attachment allows exfiltration of server credentials

SummaryMissing path validation in confluenceuploadattachment allows any authenticated MCP client to read arbitrary files from the server filesystem and exfiltrate their contents to Confluence. On Linux deployments, /proc/self/environ yields all runtime secrets in a single call.---...

MCP Atlassian: Arbitrary local file READ via unconstrained file_path in upload_attachment (Confluence + Jira)

SummaryThis is an arbitrary local file READ vulnerability on the Confluence and Jira uploadattachment tool paths. It's the symmetric counterpart of the file-write vulnerability you patched as CVE-2026-27825. The write direction was fixed; the read direction was left open.Reporter: Sean...

MCP Atlassian: ENABLED_TOOLS / Toolset authorization bypass

SummaryENABLEDTOOLS and TOOLSETS filters are enforced at tools/list time only. tools/call dispatches from the full unfiltered tool registry 73 tools. Any user with access to the server endpoint that knows a tool name can invoke it directly. Tool names are not secret since mcp-atlassian is open...

MCP Atlassian: SSRF via DNS Rebinding in Header-Based Authentication Flow

SummaryThe SSRF protection for header-based authentication uses a validate-then-use pattern vulnerable to DNS rebinding. validateurlforssrf resolves the hostname via DNS and checks that the resolved IP is globally routable. However, the actual HTTP request happens later, during which the DNS reco...

MCP Atlassian: Reflected XSS in OAuth Setup Callback Handler

SummaryThe OAuth 2.0 setup wizard's local callback HTTP server reflects the error query parameter directly into an HTML response without any sanitization or encoding. An attacker can craft a malicious callback URL containing JavaScript in the error parameter that executes in the victim's browser...

MCP Atlassian: Arbitrary File Read via Upload Attachment Tools

SummaryThe upload attachment tools in both Confluence and Jira accept arbitrary file paths without path traversal validation. The uploadattachment methods read any file accessible to the server process and upload it to a Confluence page or Jira issue. Despite the existence of a validatesafepath...

MCP Atlassian: Path Traversal / Arbitrary File Read in confluence_upload_attachment MCP tool (incomplete fix of GHSA-xjgw-4wvw-rgm4)

Summarymcp-atlassian exposes an MCP tool confluenceuploadattachment whose filepath argument is passed directly to openfilepath, "rb" without any path validation. An attacker able to invoke the tool can read arbitrary files readable by the server process and exfiltrate them into a multipart upload...

MCP Atlassian: Path traversal in upload_attachment allows arbitrary file read (incomplete fix for CVE-2026-27825)

SummaryThe confluenceuploadattachment and confluenceuploadattachments MCP tools accept a filepath parameter and do not validate that the path is confined to an allowed directory before opening the file. An attacker who can call these tools can read any file accessible to the MCP server process SS...

MCP Atlassian: Insecure File Permissions on OAuth Token Storage

SummaryThe OAuth token fallback file storage in OAuthConfig.savetokenstofile creates token files containing access tokens, refresh tokens, and cloud IDs with default filesystem permissions typically 0644 on Linux, world-readable. Any local user on a shared system can read these files to obtain fu...

MCP Atlassian: Arbitrary File Read & Exfiltration (Confused Deputy) in JIRA update_issue

SummaryA critical Confused Deputy Arbitrary File Read & Exfiltration vulnerability in the Atlassian MCP server Python allows an AI agent to exfiltrate sensitive host files and environment secrets. By providing absolute system paths to the attachments parameter of the updateissue tool, an agent ca...

MCP Atlassian: Jira and Confluence attachment upload tools can read arbitrary server-local files

SummaryMCP Atlassian exposes Jira and Confluence attachment upload tools that accept arbitrary local filesystem paths and upload those file contents to Atlassian. In HTTP or multi-user deployments, an MCP caller who can invoke write tools can cause the server to read any file accessible to the MC...

MCP Atlassian: MCP HTTP Client Server-Local File Exfiltration via Unvalidated Attachment Upload Path

SummaryThe mcp-atlassian server exposes an MCP tool confluenceuploadattachment and the Jira attachment variant that accepts an arbitrary server-side file path and opens it for upload without any path validation. When the server is deployed in HTTP transport mode streamable-http or sse, a remote,...

MPXJ: Potential Path Traversal Vulnerability in Primavera P3 PRX and SureTrak STX readers

ImpactWhen reading a suitably crafted PRX or STX file, MPXJ can be made to write files to arbitrary locations in the file system. PatchesThis issue is addressed in MPXJ version 16.5.0. WorkaroundsDo not read PRX or STX files from untrusted sources...

MPXJ: XXE Vulnerability in MerlinReader

ImpactMPXJ used the default configuration when creating a DocumentBuilder instance, which leaves doctype declarations enabled, when parsing the XML content of the ZTIMEINTERVALS column from a Merlin project SQLite file. This would allow a carefully crafted XML payload to read an arbitrary file...