Weak hash (SHA-1) in github.com/RobotsAndPencils/go-saml
Priority LOW 30CWE-347Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-347.
Summary
XML Digital Signatures generated and validated using this package use SHA-1, which may allow an attacker to craft inputs which cause hash collisions depending on their control over the input.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00316 24th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| github.com/RobotsAndPencils/go-saml | github.com/RobotsAndPencils/go-saml | — | — | No fix listed | CNA |
| — | github.com/RobotsAndPencils/go-saml (Go) | up to 0.0.0-20170520135329-fb13cb52a46b | — | No fix listed | GHSA-5rhg-xhgr-5hfj |
- github.com/RobotsAndPencils/go-saml Vendorgithub.com/RobotsAndPencils/go-saml Affected — Fixed in — No fix listed CNA
- github.com/RobotsAndPencils/go-saml (Go) Vendor— Affected up to 0.0.0-20170520135329-fb13cb52a46b Fixed in — No fix listed GHSA-5rhg-xhgr-5hfj
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:robotsandpencils:go-saml:-:*:*:*:*:go:*:* | not specified by NVD | Vulnerable | RobotsAndPencils |
- cpe:2.3:a:robotsandpencils:go-saml:-:*:*:*:*:go:*:* Versions not specified by NVD Vulnerable ·RobotsAndPencils
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-36563
- 2026-10-03 Alias added: GHSA-5rhg-xhgr-5hfj
References
More RobotsAndPencils Go-saml vulnerabilities
- TI-2023-26542 SAML authentication bypass vulnerability in RobotsAndPencils/go-saml CVSS 3.1HIGH 7.5
Sources
- CVE-2020-36563 · CVE Program
- CVE-2020-36563 · NVD
- FIRST EPSS
- GHSA-5rhg-xhgr-5hfj · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences