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EST
PRE-CVE
emudhra · tls certificates

Compromised TLS Certificates with Critically Weak Private Keys

60% confidence

Description

eMudhra Limited, an Indian Certificate Authority, issued eight TLS certificates with severely defective private keys containing only 3 to 8 bits of entropy instead of the expected 384 bits for NIST P-384 elliptic curve cryptography. The private keys were: 4, 56, 66, 115, 155, 156, 230, 237 bits. These weak keys can be brute-forced, allowing attackers performing man-in-the-middle attacks to decrypt and intercept TLS communications.

Affected Products

VendorProductVersions
emudhratls certificates—

Related News (1 articles)

Tier C
Schneier on Security2h ago
Compromised TLS Certificates
→ No new info (linked only)

Discussion (0)

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CISA KEV❌ No
Actively exploited❌ No
CWECWE-338, CWE-326
PublishedOct 23, 2026
Last enriched2h ago
Tags
tlscertificate-authoritycryptographic-failureweak-keysman-in-the-middle
Trending Score30
Source articles1
Independent1
Info Completeness7/14
Missing: cve_id, versions, cvss, epss, kev, patch, iocs

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Related CVEs (5)

CRITICALPRE-CVEEXP
eMudhra Intermediates Compromise
Trending: 34
CRITICALPRE-CVEEXP
eMudhra Intermediate Certificates Private Keys Compromise
Trending: 32
CRITICALPRE-CVEEXP
eMudhra Intermediate Certificate Private Keys Compromise
Trending: 31
CRITICALPRE-CVE
eMudhra emSign CA Certificate Private Key Compromise
Trending: 30
HIGHPRE-CVE
eMudhra emSign Root CA Certificate Compromise
Trending: 26

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Verification

State: reported
Confidence: 60%

Vulnerability Timeline

CVE Published
Oct 23, 2026
Discovered by ZDM
Oct 23, 2026
Exploit Available
Oct 23, 2026