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CWE-770 (不加限制或调节的资源分配) — Vulnerability Class 826

826 vulnerabilities classified as CWE-770 (不加限制或调节的资源分配). AI Chinese analysis included.

CWE-770 represents a critical resource management weakness where software allocates reusable resources, such as memory, file descriptors, or database connections, without enforcing limits or throttling mechanisms. This vulnerability typically arises when applications accept untrusted input or handle high-volume requests, allowing malicious actors to trigger excessive resource consumption. By rapidly requesting numerous resources, attackers can exhaust system capacity, leading to denial-of-service conditions that degrade performance or crash the entire service. To mitigate this risk, developers must implement strict quotas, rate limiting, and connection pooling strategies. Enforcing maximum thresholds for resource allocation ensures that no single user or process can monopolize system assets, thereby maintaining stability and availability even under heavy load or targeted abuse attempts.

MITRE CWE Description
The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.
Common Consequences (1)
AvailabilityDoS: Resource Consumption (CPU), DoS: Resource Consumption (Memory), DoS: Resource Consumption (Other)
When allocating resources without limits, an attacker could prevent other systems, applications, or processes from accessing the same type of resource. It can be easy for an attacker to consume many resources by rapidly making many requests or causing larger resources to be used than is needed.
Mitigations (5)
RequirementsClearly specify the minimum and maximum expectations for capabilities, and dictate which behaviors are acceptable when resource allocation reaches limits.
Architecture and DesignLimit the amount of resources that are accessible to unprivileged users. Set per-user limits for resources. Allow the system administrator to define these limits. Be careful to avoid CWE-410.
Architecture and DesignDesign throttling mechanisms into the system architecture. The best protection is to limit the amount of resources that an unauthorized user can cause to be expended. A strong authentication and access control model will help prevent such attacks from occurring in the first place, and it will help the administrator to identify who is committing the abuse. The login application should be protected …
ImplementationAssume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does. When performing input validation, consider all potentially relevant properties, including length, type of input, the full range…
Architecture and DesignFor any security checks that are performed on the client side, ensure that these checks are duplicated on the server side, in order to avoid CWE-602. Attackers can bypass the client-side checks by modifying values after the checks have been performed, or by changing the client to remove the client-side checks entirely. Then, these modified values would be submitted to the server.
Examples (2)
This code allocates a socket and forks each time it receives a new connection.
sock=socket(AF_INET, SOCK_STREAM, 0); while (1) { newsock=accept(sock, ...); printf("A connection has been accepted\n"); pid = fork(); }
Bad · C
In the following example a server socket connection is used to accept a request to store data on the local file system using a specified filename. The method openSocketConnection establishes a server socket to accept requests from a client. When a client establishes a connection to this service the getNextMessage method is first used to retrieve from the socket the name of the file to store the da…
int writeDataFromSocketToFile(char *host, int port) { char filename[FILENAME_SIZE]; char buffer[BUFFER_SIZE]; int socket = openSocketConnection(host, port); if (socket < 0) { printf("Unable to open socket connection"); return(FAIL); } if (getNextMessage(socket, filename, FILENAME_SIZE) > 0) { if (openFileToWrite(filename) > 0) { while (getNextMessage(socket, buffer, BUFFER_SIZE) > 0){ if (!(writeToFile(buffer) > 0)) break; } } closeFile(); } closeSocket(socket); }
Bad · C
CVE IDTitleCVSSSeverityPublished
CVE-2026-32688 Atom table exhaustion via HTTP/2 :scheme pseudo-header in plug_cowboy — plug_cowboy 7.5AIHighAI2026-04-27
CVE-2026-42036 Axios: HTTP adapter streamed responses bypass maxContentLength — axios 5.3 Medium2026-04-24
CVE-2026-42034 Axios: HTTP adapter streamed uploads bypass maxBodyLength when maxRedirects: 0 — axios 5.3 Medium2026-04-24
CVE-2026-41309 Open Source Social Network (OSSN) Vulnerable to Resource Exhaustion via Malicious Image Processing — opensource-socialnetwork 8.2 High2026-04-24
CVE-2026-41173 Unbounded HTTP response body read in OpenTelemetry.Sampler.AWS — opentelemetry-dotnet-contrib 5.9 Medium2026-04-23
CVE-2026-41078 OpenTelemetry dotnet: Potential memory exhaustion via unbounded pooled-list sizing in Jaeger exporter conversion path — opentelemetry-dotnet 5.9 Medium2026-04-23
CVE-2026-34062 Nimiq has Allocation of Resources Without Limits or Throttling in its libp2p request/response — network-libp2p 5.3 Medium2026-04-22
CVE-2025-0186 Allocation of Resources Without Limits or Throttling in GitLab — GitLab 6.5 Medium2026-04-22
CVE-2025-3922 Allocation of Resources Without Limits or Throttling in GitLab — GitLab 6.5 Medium2026-04-22
CVE-2025-6016 Allocation of Resources Without Limits or Throttling in GitLab — GitLab 6.5 Medium2026-04-22
CVE-2026-1660 Allocation of Resources Without Limits or Throttling in GitLab — GitLab 6.5 Medium2026-04-22
CVE-2026-40881 Zebra: addr/addrv2 Deserialization Resource Exhaustion — zebrad 9.8AICriticalAI2026-04-21
CVE-2026-40608 Next AI Draw.io: Unbounded HTTP Body — Denial of Service — next-ai-draw-io 6.2 Medium2026-04-21
CVE-2026-5807 Vault Vulnerable to Denial-of-Service via Unauthenticated Root Token Generation/Rekey Operations — Vault 7.5 High2026-04-17
CVE-2026-39313 MCP-Framework: Unbounded memory allocation in readRequestBody allows denial of service via HTTP transport — mcp-framework 7.5AIHighAI2026-04-16
CVE-2026-35469 SpdyStream: DOS on CRI — spdystream 9.8AICriticalAI2026-04-16
CVE-2026-40192 Pillow is vulnerable to a FITS GZIP decompression bomb — Pillow 6.5 -2026-04-15
CVE-2026-3505 Unbounded PGP AEAD chunk size leads to pre-auth resource exhaustion. — BC-JAVA 7.5 -2026-04-15
CVE-2026-40104 XWiki's REST APIs can list all pages/spaces, leading to unavailability — org.xwiki.platform:xwiki-platform-oldcore 7.5 -2026-04-15
CVE-2026-40395 Varnish Enterprise 安全漏洞 — Varnish Enterprise 4.0 Medium2026-04-12
CVE-2026-40073 SvelteKit has a BODY_SIZE_LIMIT bypass in @sveltejs/adapter-node — kit 5.3 -2026-04-10
CVE-2026-35602 Vikunja has a File Size Limit Bypass via Vikunja Import — vikunja 5.4 Medium2026-04-10
CVE-2026-40116 PraisonAI's Unauthenticated WebSocket Endpoint Proxies to Paid OpenAI Realtime API Without Rate Limits — PraisonAI 7.5 High2026-04-09
CVE-2026-40115 PraisonAI has an Unrestricted Upload Size in WSGI Recipe Registry Server Enables Memory Exhaustion DoS — PraisonAI 6.2 Medium2026-04-09
CVE-2026-39959 Tmds.DBus: malicious D-Bus peers can spoof signals, exhaust file descriptor resources, and cause denial of service — Tmds.DBus 7.1 High2026-04-09
CVE-2026-24661 Unbounded Request Body Read in MS Teams Plugin {{/changes}} Webhook Endpoint — Mattermost 3.7 Low2026-04-09
CVE-2026-21388 Unbounded Request Body Read in MS Teams Plugin {{/lifecycle}} Webhook Endpoint — Mattermost 3.7 Low2026-04-09
CVE-2026-40036 Unfurl < 2026.04 - Denial of Service via Unbounded zlib Decompression — unfurl 7.5 High2026-04-08
CVE-2026-39414 MinIO affected a DoS via Unbounded Memory Allocation in S3 Select CSV Parsing — minio 5.5AIMediumAI2026-04-08
CVE-2026-35401 Saleor has a resource exhaustion vulnerability in GraphQL queries — saleor 7.5 High2026-04-08

Vulnerabilities classified as CWE-770 (不加限制或调节的资源分配) represent 826 CVEs. The CWE taxonomy describes the weakness; review individual CVEs for product-specific impact.