[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

2026-08-20

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 EPSS-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 34% of all EPSS-scored CVEs.
• Low exploitation riskCVE-2026-57730.62% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 47% of all EPSS-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 EPSS-scored CVEs.
• Low exploitation riskCVE-2026-62530.72% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 51% of all EPSS-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 42% of all EPSS-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 19% of all EPSS-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 39% of all EPSS-scored CVEs.

Referenced CVEs

Same CVEs, other sources

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

• unknownMultiple vulnerabilities in Splunk products (20 August 2026)cert-fr-avis
• unknownMultiple vulnerabilities in Tenable Security Center (August 14, 2026)cert-fr-avis
• unknownUSN-8525-1: curl vulnerabilitiesubuntu
• unknownMultiple vulnerabilities in cURL and libcurl (June 24, 2026)cert-fr-avis
• unknownMultiple vulnerabilities in Tenable Identity Exposure (June 24, 2026)cert-fr-avis

More from CERT-Bund (BSI) Security Advisories

• high[NEW] [high] Linux Kernel: Multiple vulnerabilities2026-08-25
• medium[NEW] [medium] libTIFF: Multiple Vulnerabilities2026-08-25
• high[NEW] [high] Contao: Multiple Vulnerabilities2026-08-25
• medium[NEW] [medium] Django: Multiple Vulnerabilities2026-08-25
• high[NEW] [high] Red Hat Enterprise Linux (Apicurio Registry): Multiple Vulnerabilities2026-08-25