SUSE flask · Security update for python-Flask
Affects SUSE flaskSource GCVE Database
Not known to be exploited · CVSS 2.3 Low · fixed in SUSE package updates : update SUSE flask when convenient.
Data as of 26 Oct 2026, 12:55 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 34% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 3.1.1, 2.43.3_1, 5.1.2_4
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 21 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 flask to 3.1.1; locust to 2.43.3_1; recon-ng to 5.1.2_4.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
PyPIflaskpkg:pypi/flaskOther threats | Affected
| Fixed in
|
Homebrewlocustpkg:brew/locustOther threats | Affected
| Fixed in
|
Homebrewrecon-ngpkg:brew/recon-ngOther 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
This update for python-Flask fixes the following issue: - CVE-2026-27205: information disclosure due to Flask session not adding the `Vary: Cookie` header (bsc#1258700).