webpy web.py 0.76 is vulnerable to Session Fixation. The component Session._load() reads session_id directly from the request cookie and loads that session from the store, and _save() writes back under the same session_id; no rotation after authentication, so a fixed session_id keeps the authenticated state.
CVE-2026-79312
Score 6.8 from GitHub Security Advisory published 2026-09-22. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 6.8; sources differ by 0.0.
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.8
- EG Score
- 6.8(high)
- EG Risk
- 35(Track)EG Risk 35/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity68% × 45%Exploitation0% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 19%
- KEV
- Not listed
Published
September 22, 2026
Last Modified
September 22, 2026
Advisory Details (2)
Auto-updated Sep 22, 2026GitHub - webpy/webpy: web.py is a web framework for python that is as simple as it is powerful. · GitHub
https://github.com/webpy/webpyTraceLoom/CVEs/CVE-2026-79312.md at main · lichoin/TraceLoom · GitHub
https://github.com/lichoin/TraceLoom/blob/main/CVEs/CVE-2026-79312.mdVendor Advisories for CVE-2026-79312(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 12× in last 7d / 12× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-09-24 22:58 UTCEG score recompute
- 2026-09-24 22:58 UTCGHSA enrichment
- 2026-09-24 14:04 UTCEPSS rescore
- 2026-09-23 21:32 UTCEG score recompute
- 2026-09-23 21:32 UTCGHSA enrichment
- 2026-09-23 17:54 UTCEPSS rescore
- 2026-09-22 20:12 UTCEG score recompute
- 2026-09-22 20:12 UTCGHSA enrichment
- 2026-09-22 16:20 UTCEG score recompute▲ 6.80
- 2026-09-22 16:19 UTCNVD updateCVSS v3 → 6.8 · severity → MEDIUM
- 2026-09-22 15:20 UTCEG score recompute
- 2026-09-22 15:19 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2026-79312?
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Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-79312
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