Vulnerabilities

Security research · CVE-2026-116586

Go JOSE: Panics in JSON parsing

Published Oct 28, 2026 · catalog updated Oct 28, 2026 · Go JOSE: Panics in

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-2026-116586. EPSS is 0.29%. Act only if a listed version of Go JOSE: Panics in is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Go JOSE: Panics in).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium—
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.29%
Remediation
Version ranges on file
Affected products
Go github.com/go-jose/go-jose/v3 · Go github.com/go-jose/go-jose/v4 · go github.com/go-jose/go-jose/v3 · go github.com/go-jose/go-jose/v4 · golang github.com

### Summary Parsing deeply nested JSON structures can hit Go's stack limit, causing the application to crash. Note: this advisory is the same as https://github.com/go-jose/go-jose/security/advisories/GHSA-6mp9-8xrw-74r4. ### Impact Denial of service vulnerability. Any application that parses untrusted JSON via go-jose is exposed. ### Workarounds Reject large inputs before parsing them. ### Acknowledgements Thanks to Dohyun Kim (@azza999), Joshua Rogers of AISLE Research, and Sueun Cho for alerting us to the need to patch this.

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.

  • Go github.com/go-jose/go-jose/v30 → 3.0.5
  • Go github.com/go-jose/go-jose/v40 → 4.1.5
  • go github.com/go-jose/go-jose/v3<= 3.0.5
  • go github.com/go-jose/go-jose/v4< 4.1.5
  • golang github.comversion unspecified

How to fix CVE-2026-116586

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-2026-116586. EPSS is 0.29%. Act only if a listed version of Go JOSE: Panics in is installed.

Which versions are affected?

Compare what you have installed with 0 → 3.0.5, 0 → 4.1.5, <= 3.0.5, < 4.1.5. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-674. EPSS 0.29%. 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 28, 2026 · GitHub Advisory Database

    Detected

    ### Summary Parsing deeply nested JSON structures can hit Go's stack limit, causing the application to crash. Note: this advisory is the same as https://github.com/go-jose/go-jose/security/advisories/GHSA-6mp9-8xrw-74r4. ### Impact Denial of service vulnerability. Any application that parses untrusted JSON via go-jose is exposed. ### Workarounds Reject large inputs before parsing them. ### Acknowl

  2. Oct 28, 2026 · GitHub Advisory Database

    Fix available

    github.com/go-jose/go-jose/v4 fixed in 4.1.5

  3. Oct 28, 2026 · GitHub Advisory Database

    Fix available

    github.com/go-jose/go-jose/v4 fixed in 4.1.5

  4. Oct 28, 2026 · GitHub Advisory Database

    Fix available

    github.com/go-jose/go-jose/v3 fixed in 3.0.5

  5. Oct 28, 2026 · GitHub Advisory Database

    Updated

    ### Summary Parsing deeply nested JSON structures can hit Go's stack limit, causing the application to crash. Note: this advisory is the same as https://github.com/go-jose/go-jose/security/advisories/GHSA-6mp9-8xrw-74r4. ### Impact Denial of service vulnerability. Any application that parses untrusted JSON via go-jose is exposed. ### Workarounds Reject large inputs before parsing them. ### Acknowl

Sources

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.

  • Go Vulnerability DatabaseOct 31, 2026
  • GitLab Advisory DatabaseOct 30, 2026
  • GitHub Advisory DatabaseOct 30, 2026
  • OpenSSF OSV / OSV ScannerOct 30, 2026
  • CVE.orgOct 29, 2026