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CVE-2026-13446 is a critical hard-coded credentials vulnerability in IBM Langflow OSS affecting versions 1.0.0 through 1.10.1. The product contains embedded credentials used for security-sensitive functions including inbound authentication, outbound communication with external components, or encryption of internal data. Available reporting further indicates the issue involves hardcoded default superuser credentials that are enforced at startup regardless of operator-supplied environment variable overrides, preventing administrators from effectively replacing the embedded secret through normal configuration. This weakness can allow an attacker to authenticate using the built-in credentials without prior knowledge of administrator-configured secrets, undermining the trust boundary of the application and exposing the service to full compromise.
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What an attacker gets, and what they’ve been doing with it.
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No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
9 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A hard-coded credentials vulnerability in IBM Langflow OSS affecting versions 1.0.0 through 1.10.1.
A critical hard-coded credentials vulnerability in Langflow OSS that can allow unauthorized authentication as a superuser and compromise confidentiality, integrity, and availability.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.