Vulnerability · CVE-2022-27780
The curl URL parser wrongly accepts percent-encoded URL separators like '/'when decoding the host name part of a URL, making it a *different* URL usingthe wrong host n…
Published Jun 2, 2022 · catalog updated Oct 14, 2026 · the affected product
Last checked Oct 24, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2022-27780. EPSS is 2.52%. Act only if a listed version of the affected product is installed.
Gaps on this record
- No plain product name is stored. The page cannot tell you which product to check.
- No version range is stored. A customer cannot check an installed version against this record.
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2026-94265 · Critical
- CVE-2026-92390 · High
- CVE-2026-87866 · Unknown
- CVE-2026-87861 · Unknown
- CVE-2026-86415 · Unknown
- Severity
- High7.5
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 2.52%
- Remediation
- Advisory link
- Affected products
- cpe haxx/curl · cpe netapp/clustered data ontap · cpe netapp/h300s firmware · cpe netapp/h410s firmware · cpe netapp/h500s firmware · cpe netapp/h700s firmware
The curl URL parser wrongly accepts percent-encoded URL separators like '/'when decoding the host name part of a URL, making it a *different* URL usingthe wrong host name when it is later retrieved.For example, a URL like , would be allowed bythe parser and get transposed into . This flawcan be used to circumvent filters, checks and more.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe haxx/curlversion unspecified
- cpe netapp/clustered data ontapversion unspecified
- cpe netapp/h300s firmwareversion unspecified
- cpe netapp/h410s firmwareversion unspecified
- cpe netapp/h500s firmwareversion unspecified
- cpe netapp/h700s firmwareversion unspecified
- cpe netapp/hci bootstrap osversion unspecified
- cpe netapp/solidfire & hci management nodeversion unspecified
- cpe netapp/solidfire, enterprise sds & hci storage nodeversion unspecified
- cpe splunk/universal forwarderversion unspecified
How to fix CVE-2022-27780
No stored fix
No vendor fix text is stored. Use the linked advisory before you change production.
Version check
No version range is stored, so an installed version cannot be checked on this page.
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2022-27780. EPSS is 2.52%. Act only if a listed version of the affected product is installed.
Which versions are affected?
Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-177; CWE-918: Server-Side Request Forgery (SSRF). EPSS 2.52%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Jun 2, 2022 · NIST NVD
Detected
The curl URL parser wrongly accepts percent-encoded URL separators like '/'when decoding the host name part of a URL, making it a *different* URL usingthe wrong host name when it is later retrieved.For example, a URL like , would be allowed bythe parser and get transposed into . This flawcan be used to circumvent filters, checks and more.
Oct 14, 2026 · NIST NVD
Updated
The curl URL parser wrongly accepts percent-encoded URL separators like '/'when decoding the host name part of a URL, making it a *different* URL usingthe wrong host name when it is later retrieved.For example, a URL like , would be allowed bythe parser and get transposed into . This flawcan be used to circumvent filters, checks and more.
Sources
- CVE.orgVulnerability recordCVE-2022-27780
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2022-27780
30-day exploitation probability 2.52%
first.org - NIST NVDVulnerability recordCVE-2022-27780
The curl URL parser wrongly accepts percent-encoded URL separators like '/'when decoding the host name part of a URL, making it a *different* URL usingthe wrong host name when it is later retrieved.For example, a URL like , would be allowed bythe
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 24, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSOct 24, 2026
- CVE.orgOct 16, 2026
- NIST NVDOct 14, 2026