CVE-2026-1502
high
CVSS v3
—
CVSS v4 NEW
5.7
VIR risk
8.0
Description
CR/LF bytes were not rejected by HTTP client proxy tunnel headers or host.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| rhel | 9 | fixed | |
| sles | affected | | |
| debian | bookworm | affected | |
| debian | bullseye | affected | |
| debian | forky | fixed | 7.3.22+dfsg-1 |
| debian | sid | fixed | 7.3.22+dfsg-1 |
| debian | trixie | affected | |
References
- https://access.redhat.com/errata/RHSA-2026:19176
- https://access.redhat.com/errata/RHSA-2026:19177
- https://github.com/python/cpython/commit/05ed7ce7ae9e17c23a04085b2539fe6d6d3cef69
- https://github.com/python/cpython/commit/b1cf9016335cb637c5a425032e8274a224f4b2ed
- https://github.com/python/cpython/issues/146211
- https://github.com/python/cpython/pull/146212
- https://mail.python.org/archives/list/security-announce@python.org/thread/2IVPAEQWUJBCTQZEJEVTYCIKSMQPGRZ3/
- http://www.openwall.com/lists/oss-security/2026/04/11/4
- https://www.suse.com/security/cve/CVE-2026-1502.html
- https://security-tracker.debian.org/tracker/CVE-2026-1502
- https://bugzilla.redhat.com/2431367
- https://bugzilla.redhat.com/2444691
- https://bugzilla.redhat.com/2448168
- https://bugzilla.redhat.com/2448181
- https://bugzilla.redhat.com/2449649
- https://bugzilla.redhat.com/2457409
- https://bugzilla.redhat.com/2457932
- https://bugzilla.redhat.com/2458049
- https://bugzilla.redhat.com/2458239
- https://errata.almalinux.org/9/ALSA-2026-19176.html
- https://access.redhat.com/errata/RHSA-2026:10950
- https://bugzilla.redhat.com/2395108
- https://bugzilla.redhat.com/2408891
- https://bugzilla.redhat.com/2418084
- https://bugzilla.redhat.com/2431366
CWEs
CWE-93
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.