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CVE-2026-0636 is an LDAP injection vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcprov affecting all prov modules. The flaw is caused by improper neutralization of special elements used in LDAP queries and is associated with the LDAPStoreHelper program component. An attacker able to influence input incorporated into LDAP search or lookup operations handled by LDAPStoreHelper may be able to alter the structure or semantics of the resulting LDAP query. Affected versions are BC-JAVA from 1.74 before 1.80.2, from 1.81 before 1.81.1, and from 1.82 before 1.84.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
2 sources tracked across advisories and community write-ups. News coverage will land here when it surfaces.
No news coverage yet. Advisories and community discussion only.
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.