[UPDATE] [high] cURL: Multiple vulnerabilities

CSIRTS triage

What

Multiple vulnerabilities allow bypassing security measures, disclosing confidential information, or manipulating data.

Who is affected

Attackers can exploit these vulnerabilities in cURL.

Urgency

Remediation is high urgency due to the severity of potential impacts.

Action

Update to the latest version of cURL to mitigate the vulnerabilities.

AI-assisted analysis generated from the source advisory — verify against the original.

Details

Source

CERT-Bund (BSI) Security Advisories (DE · national-cert · site)

Severity

high

Published

2026-07-10

Exploitation

Not in CISA KEV at last sync

Language

Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1307

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

• Low exploitation riskCVE-2026-48730.33% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 25% of all scored CVEs.
• Low exploitation riskCVE-2026-55450.41% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 33% of all scored CVEs.
• Low exploitation riskCVE-2026-57730.55% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 42% of all scored CVEs.
• Low exploitation riskCVE-2026-62760.29% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 21% of all scored CVEs.
• Low exploitation riskCVE-2026-62530.64% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 46% of all scored CVEs.
• Low exploitation riskCVE-2026-64290.52% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 40% of all scored CVEs.
• Low exploitation riskCVE-2026-70090.27% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 18% of all scored CVEs.
• Low exploitation riskCVE-2026-71680.47% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 38% of all scored CVEs.

Referenced CVEs

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

• unknownUSN-8525-1: curl vulnerabilitiesubuntu
• unknownMultiple vulnerabilities in Tenable Identity Exposure (June 24, 2026)cert-fr-avis
• unknownMultiple vulnerabilities in cURL and libcurl (June 24, 2026)cert-fr-avis

Recent advisories for cURL

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

• medium[UPDATE] [medium] cURL: Vulnerability allows information disclosurecert-bund · 2026-07-10
• medium[UPDATE] [medium] cURL: Multiple vulnerabilitiescert-bund · 2026-07-10
• medium[UPDATE] [medium] cURL: Vulnerability allows bypassing security measurescert-bund · 2026-07-10
• unknownUSN-8525-1: curl vulnerabilitiesubuntu · 2026-07-09
• medium[UPDATE] [medium] cURL: Multiple vulnerabilitiescert-bund · 2026-07-03
• highCVE-2026-9080: Calling `curl_easy_pause()` within the event-based `CURLMOPT_SOCKETFUNCTION` callback triggers …nvd · 2026-07-03

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