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CVE-2026-34881 Moderate

OpenStack Glance is affected by Server-Side Request Forgery (SSRF)

OpenStack Glance versions < 29.1.1, >= 30.0.0 < 30.1.1, == 31.0.0 are affected by Server-Side Request Forgery (SSRF). By use of HTTP redirects, an authenticated user can bypass URL validation checks and redirect to internal services. Only the glance image import functionality is affected. In particular, the web-download and glance-download import methods are subject to this vulnerability, as is the optional (not enabled by default) ovf_process image import plugin.

Exploit probability 0.3%
Published July 13, 2026
Required by Not available
Last source change July 13, 2026

02 / AFFECTED SOFTWARE

Affected packages

PyPI glance

77 explicit affected versions

PyPI glance

77 explicit affected versions

Unknown Unknown

2 explicit affected versions

04 / EVIDENCE

Source records

Open Source Vulnerabilities GHSA-mc26-q38v-83gv

OpenStack Glance versions < 29.1.1, >= 30.0.0 < 30.1.1, == 31.0.0 are affected by Server-Side Request Forgery (SSRF). By use of HTTP redirects, an authenticated user can bypass URL validation checks and redirect to internal services. Only the glance image import functionality is affected. In particular, the web-download and glance-download import methods are subject to this vulnerability, as is the optional (not enabled by default) ovf_process image import plugin.

View original source
Open Source Vulnerabilities PYSEC-2026-2492

OpenStack Glance versions < 29.1.1, >= 30.0.0 < 30.1.1, == 31.0.0 are affected by Server-Side Request Forgery (SSRF). By use of HTTP redirects, an authenticated user can bypass URL validation checks and redirect to internal services. Only the glance image import functionality is affected. In particular, the web-download and glance-download import methods are subject to this vulnerability, as is the optional (not enabled by default) ovf_process image import plugin.

View original source
Open Source Vulnerabilities CVE-2026-34881

OpenStack Glance before 29.1.1, 30.x before 30.1.1, and 31.0.0 is affected by Server-Side Request Forgery (SSRF). By use of HTTP redirects, an authenticated user can bypass URL validation checks and redirect to internal services. Only glance image import functionality is affected. In particular, the web-download and glance-download import methods are subject to this vulnerability, as is the optional (not enabled by default) ovf_process image import plugin.

View original source

05 / REFERENCES

Further evidence