CVE-2026-101050

Heym before 0.0.53 fails to verify the X-Telegram-Bot-Api-Secret-Token header on Telegram webhook endpoints when credentialid is absent or secrettoken is empty. Remote unauthenticated attackers can post forged Telegram updates to trigger workflows with the owner's configured credentials and execu...

CVE-2026-101049

Heym before 0.0.53 fails to verify Slack request signatures when trigger nodes lack credential IDs or have empty signing secrets. Remote unauthenticated attackers can send forged Slack events to known webhook URLs to trigger workflows with the owner's credentials...

CVE-2026-101050 Heym before 0.0.53 Authentication Bypass via Telegram Webhook

Heym before 0.0.53 fails to verify the X-Telegram-Bot-Api-Secret-Token header on Telegram webhook endpoints when credentialid is absent or secrettoken is empty. Remote unauthenticated attackers can post forged Telegram updates to trigger workflows with the owner's configured credentials and execu...

CVE-2026-101050 Heym before 0.0.53 Authentication Bypass via Telegram Webhook

Heym before 0.0.53 fails to verify the X-Telegram-Bot-Api-Secret-Token header on Telegram webhook endpoints when credentialid is absent or secrettoken is empty. Remote unauthenticated attackers can post forged Telegram updates to trigger workflows with the owner's configured credentials and execu...

CVE-2026-101050

Heym versions prior to 0.0.53 are vulnerable to an authentication bypass via Telegram webhook endpoints. The root cause is a failure to verify the X-Telegram-Bot-Api-Secret-Token header when the credential_id is absent or the secret_token is empty. This allows remote unauthenticated attackers to ...

CVE-2026-101049 Heym before 0.0.53 Slack Webhook Signature Verification Bypass

Heym before 0.0.53 fails to verify Slack request signatures when trigger nodes lack credential IDs or have empty signing secrets. Remote unauthenticated attackers can send forged Slack events to known webhook URLs to trigger workflows with the owner's credentials...

EUVD-2026-87969

Heym before 0.0.53 fails to verify Slack request signatures when trigger nodes lack credential IDs or have empty signing secrets. Remote unauthenticated attackers can send forged Slack events to known webhook URLs to trigger workflows with the owner's credentials...

CVE-2026-101049 Heym before 0.0.53 Slack Webhook Signature Verification Bypass

Heym before 0.0.53 fails to verify Slack request signatures when trigger nodes lack credential IDs or have empty signing secrets. Remote unauthenticated attackers can send forged Slack events to known webhook URLs to trigger workflows with the owner's credentials...

CVE-2026-101050 Heym before 0.0.53 Authentication Bypass via Telegram Webhook

Heym before 0.0.53 fails to verify the X-Telegram-Bot-Api-Secret-Token header on Telegram webhook endpoints when credentialid is absent or secrettoken is empty. Remote unauthenticated attackers can post forged Telegram updates to trigger workflows with the owner's configured credentials and execu...

CVE-2026-101049

The Heym application (versions before 0.0.53 ) is vulnerable to a Slack Webhook Signature Verification Bypass . The root cause is a failure to verify signatures when trigger nodes lack credential IDs or contain empty signing secrets. This allows remote unauthenticated attackers to send forged Sla...

EUVD-2026-87970

Heym before 0.0.53 fails to verify the X-Telegram-Bot-Api-Secret-Token header on Telegram webhook endpoints when credentialid is absent or secrettoken is empty. Remote unauthenticated attackers can post forged Telegram updates to trigger workflows with the owner's configured credentials and execu...

CVE-2026-101049 Heym before 0.0.53 Slack Webhook Signature Verification Bypass

Heym before 0.0.53 fails to verify Slack request signatures when trigger nodes lack credential IDs or have empty signing secrets. Remote unauthenticated attackers can send forged Slack events to known webhook URLs to trigger workflows with the owner's credentials...

CVE-2026-100864

heym before 0.0.91 contains a sandbox escape vulnerability in the expression engine's DotList map/filter and fallback resolver that allows authenticated users to execute arbitrary Python code. Attackers can craft workflow expressions using dunder attribute access through item expressions or the...

CVE-2026-100863

Heym versions 0.0.90 and earlier contain two server-side request forgery SSRF egress gaps, both remediated in app/services/ssrfguard.py in 0.0.91. First, the LLM image-edit input loader loadimagebytes fetched caller-controlled HTTP/HTTPS URLs with a bare httpx.get, applying only a scheme check an...

CVE-2026-100865

Heym before 0.0.53 evaluates workflow condition expressions using Python's eval with insufficient sandboxing in the workflow executor service. Authenticated users can edit workflow condition nodes or import malicious templates to execute arbitrary Python and OS commands as the backend process use...

CVE-2026-100859

Heym before 0.0.106 contains a credential exfiltration vulnerability in the POST /api/credentials/test endpoint that allows collaborators with shared credential access to exfiltrate the credential owner's secret. Attackers can override the destination URL in the config parameter to cause the serv...

CVE-2026-100860

heym before 0.0.105 does not act on the result of the credential authorization lookup in the Redis workflow node backend/app/services/nodeexecution/nodes/redisnode.py. When getaccessiblecredential returns None — because the credential ID does not exist or the caller is not authorized to use it —...

CVE-2026-100862

heym, a workflow automation platform, stores and returns multiple capability secrets in plaintext in versions prior to 0.0.91. Affected secrets include webhook header-auth values returned in cleartext by GET /api/workflows/id and persisted unsanitized into execution history, MCP API keys stored a...

CVE-2026-100858

heym before 0.0.109 contains a server-side request forgery vulnerability in the Slack, Discord, and Crawler workflow nodes. These nodes issue HTTP requests to URLs taken from user-created credentials webhookurl / flaresolverrurl using an unguarded HTTP client, bypassing the SSRF egress guard that...

CVE-2026-100861

heym before 0.0.105 fails to apply egress guards to integration services that use credential-supplied base URLs, allowing authenticated users to bypass SSRF protections. Attackers can configure credentials pointing to loopback, private, or cloud-metadata addresses and read internal service...