CVE•Published 2026-09-06•Modified 2026-09-11•0 articles on news•5 live references•NVD data
CVE-2026-13608Haxx · Curl
Vulnerability data via NVD (ingested)
CVSS v3.1
7.4
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS percentile
18
Exploit Prediction Scoring System · top 82% of all CVEs
Description
A flaw in the libcurl SASL negotiation for LDAP authentication allows an incomplete handshake sequence to be misinterpreted as a successful cryptographic verification. An attacker executing a Man-in-the-Middle (MITM) attack can inject a premature or shortcut response that bypasses complete peer validation.
Timeline
Published 2026-09-06
Modified 2026-09-11
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2026-13608Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Haxx Curl"All exposed Haxx Curl instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Curl"HTTP body or banner mentions "Curl" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-13608Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-13608Censys host search filtered to this CVE id.
grep.app
CVE-2026-13608Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-13608GitHub code search for direct mentions.
Google dork
"CVE-2026-13608" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (6)
CVE-2026-136086 repos
Ostorlab/KEVunknown
Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.
ARPSyndicate/cve-scoresunknown
EPSS & VEDAS Score Aggregator for CVEs
cnlinxi/LLM-paper-dailyPython
Automatically Update LLM Papers Daily using Github Actions. Ref: https://github.com/Vincentqyw/cv-arxiv-daily
nkapila6/ai-deepstackunknown
papers & blogs on agentic ai, ai system design, deep learning framework internals
jaschadub/compromised-packages-checkPython
Scan a repository for known-malicious npm, cratres, and PyPI package versions from recent supply-chain compromises (Mini Shai-Hulud, TanStack, @cap-js/mbt, etc). UPDATED 6 TIMES A …
cmivqa/ro-arxiv-dailyPython
Automatically Update Arxiv Papers Daily using Github Actions (Update Every 8th hours)
We haven't classified any articles referencing CVE-2026-13608 yet. The external references above still apply.