Dashboard / CVE-2026-49136

CVE-2026-49136

HIGH
MEDIUM Priority: 0.04 BB Relevance: 77/100
Published: 2026-06-01 Modified: 2026-11-08 First seen: 2026-11-08 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
AT: None
VC: High
VI: None
VA: None

Description

Banana Slides through 0.4.0, patched in commit e8bc490, contains a path traversal vulnerability in the generate_image() function within the AI service backend that allows unauthenticated attackers to read arbitrary image-format files outside the intended uploads directory by exploiting an incomplete path prefix check using os.path.startswith() without a trailing separator. Attackers can supply crafted markdown image references in user-controlled page descriptions that resolve to sibling directories whose names share the uploads folder prefix, bypassing the directory confinement check and causing the application to read files from unintended locations via PIL Image.open().

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
Anionex banana-slides 0

References & Advisories (4)

Bug Bounty Relevance

77 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

8.7 / 10.0 v4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

EPSS — Exploitation Probability

0.42%
Raw Score 0.004170
Percentile 36.6%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00417
2026-11-12
0.00417
2026-11-10
0.00417
2026-11-09
0.00417
2026-11-08
0.00417

Intelligence Sources

mitre ref →

External Links