CVE detail
CVE-2026-18536
Data::Entropy versions before 0.010 for Perl read remote entropy sources over plain HTTP. The Data::Entropy::RawSource::RandomOrg and Data::Entropy::RawSource::RandomnumbersInfo remote sources are accessed over plain HTTP. The Data::Entropy::RawSource::RandomOrg integrity check trivially matches any non-empty byte string. Any on-path attacker, such as open WiFi, a compromised ISP, captive portal, or a hostile egress proxy substitutes the response and thereby chooses the bytes returned by rand_bits and rand_int for every application that selected one of these sources via with_entropy_source. The _checkbuf method response is equally attacker-controlled, so the retry/sleep behaviour is steerable too.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 17.9 · diversity 16.5 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 5
- within the 30d window
- Peak daily
- 5
- highest bucket
Evidence
Source links by recency
5 source links · newest first
- http://www.openwall.com/lists/oss-security/2026/08/01/8www.openwall.com
No excerpt available.
Exploitwww.openwall.comAug 1, 2026, 11:16 AM - https://security.metacpan.org/docs/guides/random-data-for-security.htmlsecurity.metacpan.org
No excerpt available.
Patchsecurity.metacpan.orgAug 1, 2026, 11:16 AM No excerpt available.
Release Notesmetacpan.orgAug 1, 2026, 11:16 AMNo excerpt available.
Release Notesmetacpan.orgAug 1, 2026, 11:16 AMNo excerpt available.
Exploitgithub.comAug 1, 2026, 11:16 AM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
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