CVE-2026-32641 Parseable - Denial of Service

Parseable < 3.0.0 contains a denial of service caused by unwrap() usage on malformed x-amz-firehose-common-attributes header in HTTP middleware, letting remote unauthenticated attackers cause service interruption, exploit requires crafted non-UTF-8 or malformed JSON header.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.92% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
18 September 2026
Updated
15 October 2026
Weakness
CWE-248

Vendor fix

Update to version 3.0.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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