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Vulnerabilities

Security fix · CVE-2025-61689

HTTP.jl is an HTTP client and server functionality for the Julia programming language.

Published Oct 10, 2025 · catalog updated Oct 10, 2025 · JuliaWeb HTTP.jl

Last checked Nov 4, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-61689. EPSS is 0.34%. Act only if a listed version of JuliaWeb HTTP.jl is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.7
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.34%
Remediation
Version ranges on file
Affected products
vendor JuliaWeb HTTP.jl < 1.10.19

HTTP.jl is an HTTP client and server functionality for the Julia programming language. Prior to version 1.10.19, HTTP.jl did not validate header names/values for illegal characters, allowing CRLF-based header injection and response splitting. This enables HTTP response splitting and header injection, leading to cache poisoning, XSS, session fixation, and more. This issue is fixed in HTTP.jl .

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.

  • vendor JuliaWeb HTTP.jl < 1.10.19< 1.10.19

How to fix CVE-2025-61689

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-2025-61689. EPSS is 0.34%. Act only if a listed version of JuliaWeb HTTP.jl is installed.

Which versions are affected?

Compare what you have installed with JuliaWeb HTTP.jl < 1.10.19 < 1.10.19. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.34%. 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.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 10, 2025 · EUVD

    Detected

    HTTP.jl is an HTTP client and server functionality for the Julia programming language. Prior to version 1.10.19, HTTP.jl did not validate header names/values for illegal characters, allowing CRLF-based header injection and response splitting. This enables HTTP response splitting and header injection, leading to cache poisoning, XSS, session fixation, and more. This issue is fixed in HTTP.jl .

  2. Oct 10, 2025 · EUVD

    Updated

    HTTP.jl is an HTTP client and server functionality for the Julia programming language. Prior to version 1.10.19, HTTP.jl did not validate header names/values for illegal characters, allowing CRLF-based header injection and response splitting. This enables HTTP response splitting and header injection, leading to cache poisoning, XSS, session fixation, and more. This issue is fixed in HTTP.jl .

Sources

  • CVE.orgVulnerability recordCVE-2025-61689

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-61689

    30-day exploitation probability 0.34%

    first.org
  • EUVDVulnerability recordEUVD-2025-33756

    HTTP.jl is an HTTP client and server functionality for the Julia programming language. Prior to version 1.10.19, HTTP.jl did not validate header names/values for illegal characters, allowing CRLF-based header injection and response splitting. This enables HTTP response splitting

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 4, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 4, 2026
  • CVE.orgOct 23, 2026
  • EUVDOct 23, 2026