veilgate

VeilGate VeilGate is an open-source deception proxy for teams that want to raise the cost of automated security probing without putting fragile block rules in front of real users. It sits in front of a web application, scores each request, and chooses one of three outcomes: Real : forward clean...

anubis-fetch

anubis-fetch $ nix run github:fzakaria/anubis-fetch -- --text https://lore.kernel.org/ A Go CLI for fetching URLs behind Anubis proof-of-work challenges. It solves legacy SHA-256 and WASM challenges in-process, with headless Chromium as a fallback. Sites such as lore.kernel.org and kernel.org use...

PoW-Shield

Description PoW Shield provides DDoS protection on OSI application layer by acting as a proxy that utilizes proof of work between the backend service and the end user. This project aims to provide an alternative to general anti-DDoS methods such as Google's ReCaptcha that has always been a pain t...

Azure-APIM-Dev-Portal-Signup-Bypass

A proof-of-concept script for bypassing a disabled developer portal signup on Azure API Management APIM by directly invoking the backend registration API. What it does Azure APIM developer portals can be configured to disable self-service signup through the portal UI. In some deployments the...

CVE-2026-104424

Zebra before 6.1.0 contains an incorrect calculation vulnerability in its ZIP-317 block template selector that omits header and transaction-count size from the block budget. Attackers can place valid selectable transactions in a victim miner's mempool to shape templates into oversized blocks,...

CVE-2026-104424

Zebra versions prior to 6.1.0 are vulnerable to an incorrect calculation in the ZIP-317 block template selector . The flaw stems from omitting the header and transaction-count size from the block budget. An attacker can exploit this by placing valid selectable transactions into a victim miner's m...

CVE-2026-104424 Zebra before 6.1.0 Incorrect Block Size Calculation in getblocktemplate

Zebra before 6.1.0 contains an incorrect calculation vulnerability in its ZIP-317 block template selector that omits header and transaction-count size from the block budget. Attackers can place valid selectable transactions in a victim miner's mempool to shape templates into oversized blocks,...

EUVD-2026-91435

Zebra before 6.1.0 contains an incorrect calculation vulnerability in its ZIP-317 block template selector that omits header and transaction-count size from the block budget. Attackers can place valid selectable transactions in a victim miner's mempool to shape templates into oversized blocks,...

CVE-2026-104424 Zebra before 6.1.0 Incorrect Block Size Calculation in getblocktemplate

Zebra before 6.1.0 contains an incorrect calculation vulnerability in its ZIP-317 block template selector that omits header and transaction-count size from the block budget. Attackers can place valid selectable transactions in a victim miner's mempool to shape templates into oversized blocks,...

PT-2026-104235

Name of the Vulnerable Software and Affected Versions Zebra versions prior to 6.1.0 Description An incorrect calculation in the ZIP-317 block template selector fails to account for the header and transaction-count size within the block budget. This allows attackers to submit valid selectable...

CVE-2026-104424: Incorrect Calculation of Buffer Size

Zebra before 6.1.0 contains an incorrect calculation vulnerability in its ZIP-317 block template selector that omits header and transaction-count size from the block budget. Attackers can place valid selectable transactions in a victim miner's mempool to shape templates into oversized blocks,...

PDoS: A Profitable Denial-Of-Service Attack against Proof-Of-Work Blockchain Liveness

The security and liveness of Proof-of-Work PoW blockchains fundamentally depend on the economic rationality of miners. Existing incentive-driven denial-of-service attacks, such as BDoS, can deter rational miners from participating, but require the attacker to continuously absorb substantial...

CVE-2026-48076

OpenReception's appointment booking software provides an end-to-end encrypted appointment booking platform. The new-client booking flow in versions 1.0.1 and prior consists of three calls: bootstrap-challenge returns a 16-bit PoW challenge with difficulty=4 leading hex zeroes, bootstrap-verify...

CVE-2026-48082

OpenReception's appointment booking software provides an end-to-end encrypted appointment booking platform. Prior to version 1.0.6, the bootstrap challenge endpoint at /api/tenants/id/appointments/bootstrap-challenge issues a SHA-256 proof-of-work with difficulty=4 hex zeros, equivalent to 16 bit...

CVE-2026-48082

OpenReception’s OpenReception appointment-booking software before v1.0.6 uses a bootstrap-challenge PoW endpoint (/api/tenants/{id}/appointments/bootstrap-challenge) that requires SHA-256 with difficulty=4 hex zeros (≈16 bits). Modern hardware solves this quickly, undermining rate-limiting for un...

CVE-2026-48082 OpenReception's bootstrap challenge proof-of-work difficulty hardcoded to 16 bits, which enables abuse rate amplification

OpenReception's appointment booking software provides an end-to-end encrypted appointment booking platform. Prior to version 1.0.6, the bootstrap challenge endpoint at /api/tenants/id/appointments/bootstrap-challenge issues a SHA-256 proof-of-work with difficulty=4 hex zeros, equivalent to 16 bit...

EUVD-2026-54155

OpenReception's appointment booking software provides an end-to-end encrypted appointment booking platform. Prior to version 1.0.6, the bootstrap challenge endpoint at /api/tenants/id/appointments/bootstrap-challenge issues a SHA-256 proof-of-work with difficulty=4 hex zeros, equivalent to 16 bit...

CVE-2026-48082 OpenReception's bootstrap challenge proof-of-work difficulty hardcoded to 16 bits, which enables abuse rate amplification

OpenReception's appointment booking software provides an end-to-end encrypted appointment booking platform. Prior to version 1.0.6, the bootstrap challenge endpoint at /api/tenants/id/appointments/bootstrap-challenge issues a SHA-256 proof-of-work with difficulty=4 hex zeros, equivalent to 16 bit...

CVE-2026-48082 OpenReception's bootstrap challenge proof-of-work difficulty hardcoded to 16 bits, which enables abuse rate amplification

OpenReception's appointment booking software provides an end-to-end encrypted appointment booking platform. Prior to version 1.0.6, the bootstrap challenge endpoint at /api/tenants/id/appointments/bootstrap-challenge issues a SHA-256 proof-of-work with difficulty=4 hex zeros, equivalent to 16 bit...

CVE-2026-48076 OpenReception's bootstrap booking flow allows unauthenticated booking on isPublic=false channels

OpenReception's appointment booking software provides an end-to-end encrypted appointment booking platform. The new-client booking flow in versions 1.0.1 and prior consists of three calls: bootstrap-challenge returns a 16-bit PoW challenge with difficulty=4 leading hex zeroes, bootstrap-verify...