VulnSocial

CVE-2026-74889Disclosure(jahlives / openssl_encrypt)

LOWCVSS 9.3 · CRITICAL

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

openssl_encrypt versions before 1.4.0 use HKDF with no salt and static info parameter in key normalization functions, reducing entropy extraction and determinism. Attackers can exploit predictable key derivation with identical inputs to weaken cryptographic security against multi-target attacks.

jahlives CVEsBack to dashboard
0.0/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-326

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • openssl_encrypt

Threat summary

  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Technical details provided in 2 signals
  • Disclosure: 2 classified signals
  • Peaked 1d ago at 1 mentions (2026-08-17); latest day: 1
  • 2 total mentions across 2 days

Affected systems

Vendors
jahlives
Products
openssl_encrypt

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-08-17: 1Mentions · 2026-08-18: 1Technical Details · 2026-08-17: 1Technical Details · 2026-08-18: 108-1708-18
Signal classification1 categories
Disclosure
2100.0%
Referenced assets2 URLs
Full discourse2 posts
  • Hugo | DevOps | Cybersecurity 🇱🇻@HugoValters
    Disclosure

    CVE-2026-74889 - Critical crypto weakness in openssl_encrypt <1.4.0. HKDF with no salt/static info weakens key derivation, enabling multi-target attacks. CVSS 9.8. Update immediately. #CVE #cryptography #infosec https://www.valtersit.com/cve/CVE-2026-74889 #CVE #infosec #SysAdmin #cybersecurity #Linux #devsecops #devops #developer #sysadmin #100daysofcode #git #github #gitlab #redteam #blueteam #ethicalhacker #ethicalhacking #cybersecurityawareness #cybersecurity #cybersecuritynews #cybersecuritytips #python #hacker #linux #kali #ubuntu #debian #ukraine #spain #ireland #unitedkingdom #canada #finland #estonia #lithuania #ireland #hungary #denmark #norway #malta #mexico

    Post summary

    The post announces a critical cryptographic flaw in OpenSSL's openssl_encrypt function (before 1.4.0) that weakens key derivation and enables multi-target attacks, providing CVSS 9.8 and urging users to update immediately.

    0001053
    1.0K followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-74889 openssl_encrypt Predictable Key Derivation Weakens Cryptographic Security https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-74889

    Post summary

    The text announces CVE‑2026‑74889, reporting a predictable key derivation weakness in the OpenSSL openssl_encrypt function, with no evidence of exploitation or patch information.

    00000129
    4.1K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appjahlivesopenssl_encrypt-python-

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