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CVE-2026-28514 is a critical authentication bypass vulnerability in Rocket.Chat affecting versions prior to 7.8.6, 7.9.8, 7.10.7, 7.11.4, 7.12.4, 7.13.3, and 8.0.0. The flaw exists in the account service used by the ddp-streamer microservice. A missing await keyword in an asynchronous password validation call causes the application to evaluate the returned Promise object rather than the actual boolean result of password verification. Because the Promise object is truthy, authentication can succeed regardless of whether the supplied password is correct. As a result, an attacker can authenticate as any user account that has a password set, provided the attacker knows or can guess the username.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
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.
11 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A critical Rocket.Chat ddp-streamer authentication bypass vulnerability that could theoretically be chained with CVE-2026-32995 to enable unauthenticated access followed by message disclosure.
A GitHub Security Lab-reported vulnerability affecting Rocket.Chat; the content only indicates it is part of a set of CVEs dominated by access-control and web-application logic defects.
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.