CVE-2026-30827: Allocation of Resources Without Limits or Throttling

express-rate-limit is a basic rate-limiting middleware for Express. In versions starting from 8.0.0 and prior to versions 8.0.2, 8.1.1, 8.2.2, and 8.3.0, the default keyGenerator in express-rate-limit applies IPv6 subnet masking /56 by default to all addresses that net.isIPv6 returns true for. Th...

@chrisleekr/mcp-server-playground (>=1.1.0-dev-1d08adb.1, <=1.1.0-dev-ff904e8.1) potentially affected by CVE-2026-30827 via express-rate-limit (8.0.1)

express-rate-limit NPM version 8.0.1 is affected by a known vulnerability. The following packages have a transitive dependency on express-rate-limit and may be impacted: - @chrisleekr/mcp-server-playground =1.1.0-dev-1d08adb.1, =1.1.0-dev-ff904e8.1 Source cves: CVE-2026-30827 Source advisory:...

@igea/oac_backend (>=1.0.35, <=1.0.119), @igea/oac_frontend (>=1.0.31, <=1.0.119) +11 more potentially affected by CVE-2026-30827 via express-rate-limit (8.1.0)

express-rate-limit NPM version 8.1.0 is affected by a known vulnerability. The following packages have a transitive dependency on express-rate-limit and may be impacted: - @igea/oacbackend =1.0.35, =1.0.31, =7.0.0-canary.2, =2.0.0-test.19, =0.29.0, =0.16.0, =0.42.0, =0.27.0, =0.42.0, =0.70.0,...

@chrisleekr/mcp-server-playground (>=1.1.0-dev-0d04f54.1, <=1.1.2), @intlayer/backend (>=7.0.9-canary.2, <=7.5.9) +29 more potentially affected by CVE-2026-30827 via express-rate-limit (8.2.1)

express-rate-limit NPM version 8.2.1 is affected by a known vulnerability. The following packages have a transitive dependency on express-rate-limit and may be impacted: - @chrisleekr/mcp-server-playground =1.1.0-dev-0d04f54.1, =7.0.9-canary.2, =1.597.450, =4.0.0, =3.1.0, =0.0.1-canary.1, =0.42.0...

GHSA-46WH-PXPV-Q5GQ express-rate-limit: IPv4-mapped IPv6 addresses bypass per-client rate limiting on servers with dual-stack network

Summary The default keyGenerator in express-rate-limit applies IPv6 subnet masking /56 by default to all addresses that net.isIPv6 returns true for. This includes IPv4-mapped IPv6 addresses ::ffff:x.x.x.x, which Node.js returns as request.ip on dual-stack servers. Because the first 80 bits of all...

@chrisleekr/mcp-server-playground (>=1.1.0-dev-1d08adb.1, <=1.1.0-dev-ff904e8.1) potentially affected by CVE-2026-30827 via express-rate-limit (8.0.1)

express-rate-limit NPM version 8.0.1 is affected by a known vulnerability. The following packages have a transitive dependency on express-rate-limit and may be impacted: - @chrisleekr/mcp-server-playground =1.1.0-dev-1d08adb.1, =1.1.0-dev-ff904e8.1 Source cves: CVE-2026-30827 Source advisory:...

@chrisleekr/mcp-server-playground (>=1.1.0-dev-0d04f54.1, <=1.1.2), @intlayer/backend (>=7.0.9-canary.2, <=7.5.9) +29 more potentially affected by CVE-2026-30827 via express-rate-limit (8.2.1)

express-rate-limit NPM version 8.2.1 is affected by a known vulnerability. The following packages have a transitive dependency on express-rate-limit and may be impacted: - @chrisleekr/mcp-server-playground =1.1.0-dev-0d04f54.1, =7.0.9-canary.2, =1.597.450, =4.0.0, =3.1.0, =0.0.1-canary.1, =0.42.0...

Allocation of Resources Without Limits or Throttling

Overview express-rate-limit is a Basic IP rate-limiting middleware for Express. Use to limit repeated requests to public APIs and/or endpoints such as password reset. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the ipKeyGenerator...

@igea/oac_backend (>=1.0.35, <=1.0.119), @igea/oac_frontend (>=1.0.31, <=1.0.119) +11 more potentially affected by CVE-2026-30827 via express-rate-limit (8.1.0)

express-rate-limit NPM version 8.1.0 is affected by a known vulnerability. The following packages have a transitive dependency on express-rate-limit and may be impacted: - @igea/oacbackend =1.0.35, =1.0.31, =7.0.0-canary.2, =2.0.0-test.19, =0.29.0, =0.16.0, =0.42.0, =0.27.0, =0.42.0, =0.70.0,...

PT-2026-23791

Name of the Vulnerable Software and Affected Versions express-rate-limit versions 8.0.0 through 8.0.1 express-rate-limit versions 8.1.0 through 8.1.1 express-rate-limit versions 8.2.0 through 8.2.1 Description The default keyGenerator in express-rate-limit incorrectly applies IPv6 subnet masking ...

CVE-2026-27801

Vaultwarden (unofficial Bitwarden server) is affected by CVE-2026-27801 where versions 1.34.3 and earlier permit a 2FA bypass on protected actions due to faulty rate-limit enforcement. An authenticated attacker can perform protected actions (e.g., access a user’s API key or delete vaults and orga...

CVE-2026-27801 Vaultwarden: 2FA Bypass on Protected Actions due to Faulty Rate Limit Enforcement

Vaultwarden is an unofficial Bitwarden compatible server written in Rust, formerly known as bitwardenrs. Vaultwarden versions 1.34.3 and prior are susceptible to a 2FA bypass when performing protected actions. An attacker who gains authenticated access to a user’s account can exploit this bypass ...

CVE-2026-27801 Vaultwarden: 2FA Bypass on Protected Actions due to Faulty Rate Limit Enforcement

Vaultwarden is an unofficial Bitwarden compatible server written in Rust, formerly known as bitwardenrs. Vaultwarden versions 1.34.3 and prior are susceptible to a 2FA bypass when performing protected actions. An attacker who gains authenticated access to a user’s account can exploit this bypass ...

EUVD-2026-9501

Vaultwarden has 2FA Bypass on Protected Actions due to Faulty Rate Limit Enforcement...

GHSA-V6PG-V89R-W8WR Vaultwarden has 2FA Bypass on Protected Actions due to Faulty Rate Limit Enforcement

Summary Vaultwarden v1.34.3 and prior are susceptible to a 2FA bypass when performing protected actions. An attacker who gains authenticated access to a users account can exploit this bypass to perform protected actions such as accessing the user's API key or deleting the user's vault and...

Incorrect Output of Incremental Portable SHAKE API

The incremental squeeze functions in the portable SHAKE XOF API, when attempting to squeeze more than RATE 168 for SHAKE128, 136 for SHAKE256 bytes, performed an additional permutation of the state before producing the first output block, thus discarding the first block of RATE bytes of valid XOF...

CVE-2026-27981 HomeBox has an Auth Rate Limit Bypass via IP Spoofing

HomeBox is a home inventory and organization system. Prior to 0.24.0, the authentication rate limiter authRateLimiter tracks failed attempts per client IP. It determines the client IP by reading, 1. X-Real-IP header, 2. First entry of X-Forwarded-For header, and 3. r.RemoteAddr TCP connection...

CVE-2026-27981

HomeBox vulnerability CVE-2026-27981 allows an attacker to bypass authentication rate limiting by spoofing client IPs via X-Real-IP and manipulating X-Forwarded-For, since the authRateLimiter reads these headers and r.RemoteAddr unconditionally, with RealIP middleware overwriting the remote addre...

CVE-2026-27981 HomeBox has an Auth Rate Limit Bypass via IP Spoofing

HomeBox is a home inventory and organization system. Prior to 0.24.0, the authentication rate limiter authRateLimiter tracks failed attempts per client IP. It determines the client IP by reading, 1. X-Real-IP header, 2. First entry of X-Forwarded-For header, and 3. r.RemoteAddr TCP connection...

Allocation of Resources Without Limits or Throttling

Overview openclaw is a 🦞 OpenClaw — Personal AI Assistant Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling through improper handling of client IP address normalization in the authentication rate-limiting process. An attacker can increase the...