Digest · Tuesday

Security digest: May 12, 2026

19 critical advisories.

Take stock

PyPI: 9 critical advisories (ludwig, guardrails-ai, mamba-ssm, horovod, imgaug, llm, syft, kubectl-mcp-server). Check with pip-audit (or: pip show <package>).
Maven: 6 critical advisories (io.github.davidalmeidac:sealed-env-core, org.apache.tomcat.embed:tomcat-embed-core, org.apache.tomcat:tomcat, org.apache.tomcat:tomcat-coyote, org.mapfish.print:print-lib, org.mapfish.print:print-servlet, org.apache.tomcat:tomcat-catalina, com.azure:azure-security-keyvault-keys). Check with mvn dependency:tree -Dincludes=<groupId>:<artifactId>.
npm: 5 critical advisories (sealed-env, openclaude, sillytavern, kubectl-mcp-server). Check with npm audit (or: npm ls <package>).
Go: 1 critical advisory (github.com/hahwul/dalfox/v2). Check with govulncheck ./....
None of it touches your stack? Then there is nothing to do today. That is a result, not a failure to read carefully.

Known exploited (CISA KEV) 0

Added to CISA’s catalog on this day: confirmed exploitation in the wild. Due date = CISA’s deadline for US federal agencies.

None.

Critical advisories by ecosystem 19

GitHub-reviewed advisories rated critical, published this day (Pacific time).

PyPI 9

Check: pip-audit (or: pip show <package>)

Ludwig framework is vulnerable to insecure deserialization in its model serving component CVE-2026-31238 CVSS 9.8 Critical
ludwig <= 0.10.4 → no fix listed
Ludwig framework is vulnerable to insecure deserialization through its predict() method. CVE-2026-31237 CVSS 9.8 Critical
ludwig <= 0.10.4 → no fix listed
Guardrails AI contains a code injection vulnerability in its Hub package installation mechanism CVE-2026-31233 CVSS 9.8 Critical
guardrails-ai <= 0.6.7 → no fix listed
mamba language model framework vulnerable to insecure deserialization when loading pre-trained models from HuggingFace Hub CVE-2026-31239 CVSS 9.8 Critical
mamba-ssm <= 2.2.6 → no fix listed
Horovod contains an insecure deserialization vulnerability in its KVStore HTTP server component CVE-2026-31234 CVSS 9.8 Critical
horovod <= 0.28.1 → no fix listed
imgaug contains an insecure deserialization vulnerability in BackgroundAugmenter class within multicore.py module CVE-2026-31235 CVSS 9.8 Critical
imgaug <= 0.4.0 → no fix listed
llm CLI tool contains a code injection vulnerability via `--functions` command-line argument CVE-2026-31236 CVSS 9.8 Critical
llm <= 0.27.1 → no fix listed
PySyft server-side arbitrary Python execution after code approval CVE-2026-31220 CVSS 9.8 Critical
syft <= 0.9.5 → no fix listed
Open Source Kubectl MCP Server vulnerable to arbitrary code execution via user interaction with crafted HTML page CVE-2025-65719 CVSS 9.8 Critical
kubectl-mcp-server < 1.2.0 → fixed in 1.2.0; kubectl-mcp-server < 1.2.0 → fixed in 1.2.0

Maven 6

Check: mvn dependency:tree -Dincludes=<groupId>:<artifactId>

sealed-env: TOTP secret embedded in unseal token payload (enterprise mode) CVE-2026-45091 CVSS 9.1 Critical
sealed-env < 0.1.0-alpha.4 → fixed in 0.1.0-alpha.4; io.github.davidalmeidac:sealed-env-core < 0.1.0-alpha.4 → fixed in 0.1.0-alpha.4
Apache Tomcat - HTTP/2 request headers not validated CVE-2026-41293 CVSS 9.8 Critical
org.apache.tomcat.embed:tomcat-embed-core >= 10.1.0-M1, < 10.1.55 → fixed in 10.1.55; org.apache.tomcat.embed:tomcat-embed-core >= 11.0.0-M1, < 11.0.22 → fixed in 11.0.22; org.apache.tomcat:tomcat >= 10.1.0-M1, < 10.1.55 → fixed in 10.1.55; +6 more packages
Mapfish Print: Remote Code Injection (RCE) in Dynamic table CVE-2026-44672 CVSS 9.3 Critical
org.mapfish.print:print-lib >= 3.23.0, < 3.28.28 → fixed in 3.28.28; org.mapfish.print:print-lib >= 3.29.0, < 3.30.30 → fixed in 3.30.30; org.mapfish.print:print-lib >= 3.31.0, < 3.31.21 → fixed in 3.31.21; +7 more packages
Apache Tomcat - Digest authenticator will authenticate any unknown user CVE-2026-43512 CVSS 9.8 Critical
org.apache.tomcat.embed:tomcat-embed-core < 9.0.118 → fixed in 9.0.118; org.apache.tomcat.embed:tomcat-embed-core >= 10.1.0-M1, < 10.1.55 → fixed in 10.1.55; org.apache.tomcat.embed:tomcat-embed-core >= 11.0.0-M1, < 11.0.22 → fixed in 11.0.22; +6 more packages
Security feature bypass vulnerability in Azure Key Vault Keys library for Java CVE-2026-33117 CVSS 9.1 Critical
com.azure:azure-security-keyvault-keys < 4.10.6 → fixed in 4.10.6
Apache Tomcat - Security constraints not correctly applied CVE-2026-43515 CVSS 9.1 Critical
org.apache.tomcat.embed:tomcat-embed-core < 9.0.118 → fixed in 9.0.118; org.apache.tomcat.embed:tomcat-embed-core >= 10.1.0-M1, < 10.1.55 → fixed in 10.1.55; org.apache.tomcat.embed:tomcat-embed-core >= 11.0.0-M1, < 11.0.22 → fixed in 11.0.22; +6 more packages

npm 5

Check: npm audit (or: npm ls <package>)

sealed-env: TOTP secret embedded in unseal token payload (enterprise mode) CVE-2026-45091 CVSS 9.1 Critical
sealed-env < 0.1.0-alpha.4 → fixed in 0.1.0-alpha.4; io.github.davidalmeidac:sealed-env-core < 0.1.0-alpha.4 → fixed in 0.1.0-alpha.4
OpenClaude Sandbox Bypass via Model-Controlled `dangerouslyDisableSandbox` Input CVE-2026-42074 CVSS 9.3 Critical
openclaude < 0.5.1 → fixed in 0.5.1
SillyTavern has Authentication Bypass via SSO Header Injection CVE-2026-44649 CVSS 9.8 Critical
sillytavern <= 1.17.0 → fixed in 1.18.0
Open Source Kubectl MCP Server vulnerable to arbitrary code execution via user interaction with crafted HTML page CVE-2025-65719 CVSS 9.8 Critical
kubectl-mcp-server < 1.2.0 → fixed in 1.2.0; kubectl-mcp-server < 1.2.0 → fixed in 1.2.0
SillyTavern has a Path Traversal issue CVE-2026-44650 CVSS 9.1 Critical
sillytavern <= 1.17.0 → fixed in 1.18.0

Go 1

Check: govulncheck ./...

Dalfox Server Mode Vulnerable to Unauthenticated Remote Code Execution via `found-action` CVE-2026-45087 CVSS 10.0 Critical
github.com/hahwul/dalfox/v2 <= 2.12.0 → fixed in 2.13.0