Red Hat Security Advisory: delve security update
Affects Red Hat delveSource GCVE Database
Not known to be exploited · CVSS 9.1 Critical · fixed in Red Hat package updates : patch Red Hat tls as a priority.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 0.9% chance of exploitation in 30 days – higher than 59% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 1.26.0-rc.3, 1.25.7, 1.24.13
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 5 Feb 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade crypto/tls to 1.26.0-rc.3, 1.25.7 or 1.24.13.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Go standard librarycrypto/tls | Affected
| Fixed in
|
| Go standard librarycrypto/tls | Affected
| Fixed in
|
| Go standard librarycrypto/tls | Affected
| Fixed in
|
Gocrypto/tlspkg:golang/crypto/tlsOther threats | Affected
| Fixed in
|
Gogithub.com/golang/go/src/crypto/tlspkg:golang/github.com/golang/go/src/crypto/tlsOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
Delve is a debugger for the Go programming language. The goal of the project is to provide a simple, full featured debugging tool for Go. Delve should be easy to invoke and easy to use. Chances are if you're using a debugger, things aren't going your way. With that in mind, Delve should stay out of your way as much as possible. Security Fix(es): * crypto/tls: Unexpected session resumption in crypto/tls (CVE-2025-68121) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.