Unsafe Java Deserialization in Bio-Formats Affects Open Microscopy Environment
CVE-2026-22187
Key Information:
- Vendor
Open Microscopy Environment
- Status
- Vendor
- CVE Published:
- 7 January 2026
Badges
What is CVE-2026-22187?
Bio-Formats versions up to and including 8.3.0 are susceptible to a vulnerability in the loci.formats.Memoizer class, which performs unsafe Java deserialization of .bfmemo files. This occurs during image processing when the application automatically loads and deserializes these memo files without adequate validation or integrity checks. An attacker can potentially exploit this flaw by providing a specially crafted .bfmemo file, leading to consequences such as denial of service, manipulation of application logic, or even remote code execution if suitable gadget chains are present within the classpath.
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Affected Version(s)
Bio-Formats 0 <= 8.3.0
Exploit Proof of Concept (PoC)
PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.
References
CVSS V4
Timeline
- 🟡
Public PoC available
- 👾
Exploit known to exist
Vulnerability published
Vulnerability Reserved